I don't get what is going on in all your videos comment sections lately. Everyone is so bitter and angry. I just want to say there's definitely plenty of us out here who love your approach to these videos. You're willing to cover topics that upset all political ideologies and just focus on accuracy as it should be. I'm happy every time i see a new video from you
The contentious attitude you find here is going on everywhere. Everyone is so volatile and aggressive, The legacy and social media platforms are pushing with great gusto, it ups their viewership.
Entropy is something, unfortunately that is not well understood by the majority of people otherwise they would understand that the heat being used to convert the ice to water will heat the water rapidly once the ice is gone
First off, Alex, please don't ever consider not presenting and narrating yourself - you are at the top. Next, congratulations on another episode with amazing animated and still graphics and images. While still a lecturer at a university, I have presented some of the things you covered today in ecology lectures, but this would have blown the student away. Finally, I cannot understand the amount of negativity in many comment. Presumably you have spoiled them - they should try watching some channels supposedly covering science topics, and at least one that shall remain nameless, does not allow comments despite totally click-bait titles and low level research narrated by an AI that is still at Fourth Grade level.
If we compare the rapid melting of the ice from 12'000 years with today, they should know that half of Northern Europe was under a kilometer-thick layer of ice, and North America too. Today, most of the ice is already on the sea, only in Antarctica is it relatively balanced, but the masses of ice that are now over Greenland are no longer comparable to the kilometer-thick layers that existed in the past. The sea level will not rise much as a result. And the previous model predicted a rise of 2.5°C, we "only" achieved 1.5°C. So they were already 1°C too high! Most civilisations had a flowering period in warmer times, there were safe harvests. No reason to spread panic!
I know retired construction workers. Almost all of them have said sometime around 2016 working outside in the summer had become unbearable in the summertime. The sun just felt hotter.Yes not scientific but real world experience..
I worked cattle from 2008-2020 and concrete construction from 2020-current. I would agree, outdoor work has changed substantially. I have no medical conditions or real changes to my health over that time and the summers have just gotten rough.
I really can't stand when they do that. It used to only cover just a couple of subjects, but now it keeps popping up under all kinds of videos under all kinds of different topics.
I imagine if they had internet in the medieval times there would have been a caption under Copernicus' video stating that according to the authorities the Earth is at the center of the solar system.
I love your videos and am very impressed. Your slow and excellent narration allows me to get my head around what you are saying. I have a Bsc so am not a thicko but need time to understand a new concept. Well done. I am from Wales in the UK and think that you must hail from around the valleys in south Wales.
wanted to say you never disappoint your videos are top tier, your information and the amount of research you put into it is not unappreciated. My 10-year-old old son and I watch your videos all the time and literally he watches the whole video and asks questions, which is pretty amazing that he is so focused the whole time. Another great thing about your videos, you have several different lengths, so many options, just all done so professionally and just thank you. We appreciate you and your videos so much, thank you ❤
I've been a subscriber to your UA-cam channel for a couple years now. So, I just wanted to say to you that I'm grateful that a bright young person such as yourself takes the time and effort to produce such quality content that is easily understandable for so many to learn from and enjoy as much as I do. So, thank you Alex. And everyone that is part of helping you produce these videos. Alan Massoli United States
I feel like in climate change discourse there are nowhere near enough talks about the major atlantic oceanic current and what impact it would have if it collapses. so much appreciation for mentioning it. aside from lowering northern to middle europes temperatures by up to -10°C, there is also a risk of temperature increase by up to +10°C around the equator. it wouldn't just affect whatever landmass touches the atlantic, but would affect the climate everywhere. not to mention that we're running out of time on that issue. if things stay as is it could collapse within the next 10 years, because it is already slowing down drastically
They even found tropical plant and animal fossils already on the continent surface. Things that got buried in mineral rich mud. Look up antarctic fossils. The continent wasn't always at it's present latitude. It was way further north -Equatorial at one point.
Alex, you have a wonderful voice that adds another layer to your presentations. I think all of your videos are outstanding, intelligent and chalked full of information. If people choose to live under a rock and pretend our world isn't changing dramatically, so be it.
Sorry to mention this, but I would like to point out an error. At 6:45 you show the amount of energy to warm a cubic metre of water as being 4.18 kJ. It should be 4.18 MJ, since it takes 4.18 kJ to heat a litre of water by 1 C, and there are 1,000 litres in a cubic metre. If anything, that makes the issue of disappearing ice even more dramatic :(
Morons are a dime a dozen, and the internet was made easily and affordably accessible. Instead of learning from that pipe line of information, they went the wrong way down stupidity holes.
@@MichaelHarto you should blame the ever changing story, the highly questionable record gathering, the experts with stock in "eco" companies and far more than anyone has to type out. I blame willful ignorance.
@@onlyonewhyphy Hardly an ever-changing story. Sure, new measurements come along, and models are adjusted, but they've all be saying broadly the same thing for decades. It would be more suspicious if it didn't ever change and all new data perfectly conformed. Sure, some people might be in line to make a profit from new Green tech companies, but that pales in comparison to the trillions of vested interests in Oil, Gas, Coal and the status quo in general.
To a Californian, a quiet forest does not mean that it is dying. We have vast Redwood and Sequoia forests that are so quiet, you might imagine being in an anechoic chamber. Those forests are quiet because insects cannot live off of the redwood trees as they are too acidic for them to survive. That creates a chain reaction: no insects equals no birds and no birds means no sounds. But there is no feeling of impending doom. Those forests are just unbelievable!
I’ve been to the Redwood forests. There are hundreds of bird species that live there. Idk what this person is talking abt. Don’t take my personal experience as evidence; look it up.
@ interesting! Not only did I live nearby, I’ve been to the sequoia forests as well, but if you take a tour guide or walk through the visitor centers, that is what you are told. And that’s aside of the amazing quietness that one observes, that apparently you missed as you rushed through in your car. To repeat, the reason the wood is RED, is because there are high levels of iron in the soil, which is toxic to insects that forest birds thrive on, nor are there non -toxic berries, hence there is nothing to lure them into those forests! You can look that up urself!
Indeed, and most dutch people dont even care these days. You can tell them all this stuff, they will still vote for rightist parties that deny climate change... its maddening
There is a massive bot problem on the internet, you can see them in the comments of every large creator's channels, their aim is to sow discord and division, do not engage, do not block, ignore. Any engagement is a win.
Alex, another great offering by you and your very accomplished colleagues ! This quality of work keeps me coming back to your site when I want a dependable source for such information.
As a subscriber for a couple of years, thank you for continuing to produce videos like these. Even as an ecologist, I learn something new or a different way of looking at information with every episode. The graphics in this one are amazing, so much so that I need to go back more than once to internalise the changes being illustrated. A great part of my enjoyment in watching your episodes is the commentary - please never consider using AI voice generation. By the way, the introduction to the sponsorship spot was masterful!
I sincerely appreciate this and your previous video. You did an excellent job of laying out all the refutations of climate-change deniers and then clearly presented the dire situation we now face. However, it's the up-beat, we can fix this ending that troubles me. Not because of anything you said, but because I don't believe humans are capable of hearing anything they do not want to hear.
I don’t think it’s about humanity not wanting to listen. There’s too many of us, wanting a standard of living and producing constantly. No amount of EVs which require more mining and destruction, or eating veggies will save us. We would have to all agree to severely lower our standard of living, that includes energy consumption. And then on the other side of consumers are industries which will keep polluting. We can’t solely blame consumers. I think change will only come from total collapse of global human population and collapse of the global economy.
Trying to prove this Climate change is like saying milk drowns Cheerios; In a hotter climate we had mega fauna and more flora than ever, transglaciation however already has centuries of reviewed data. Who cares if it is too hot out if the water sterilises you and the air gives you cancer? No what you did is gave up on Captain Planet for investment options you won't live to reap at the cost of your integrity.
@@agingerbeard the planet will do just fine, it’s the humans who will suffer. So yes, the sky is not falling, but everything that will ensue will cause food shortages, migration, global economy collapse and wars. Not to mention lost habitats and their biodiversity. We’ll probably all adapt, but it will be a different world.
Very epic video man! I like how you didnt just talk about so much of co2 emissions but more of other natural aspects that i didnt even know off. Keep up the good work mate
It isn't the coastline changes that will cause the most chaos and carnage. What will cause the most hardship will be the droughts and the famines and the blights and the extremely energetic storms and the destabilized ecosystems.
Just a little typo correction at 6:46 - water heat capacity is not 4.18 kJ/m3/C but 4.18 kJ/l/C or 4.18 MJ/m3/C Disregarding this little detail, this is a fantastic video, thank you.
A paper from the University of Toronto several years ago showed that the Antarctic ice shelves have a gravitational pull. That means when they disappear the water currently being pulled to the southern hemisphere will move north. Sea levels will recede in the southern hemisphere and rise in the northern. I've been wondering what effect all this shifting water will have on tectonic plates. Or is the water like the arms of a figure skater, she pulls them in close to spin faster and spreads them out to spin slower? Will the water concentrate at the equator slowing the earth's rotation?
@Pax.Alotin I think the point he was making is that liquid water would start mostly evenly distributing itself and its gravitational pull across all the world's ocean, whereas solid ice can pile up in huge mountains over antarctica, locally increasing gravity in that area relative to the rest of the planet.
@@KT-pv3kl There is far less arctic ice than antarctic ice and that gap is widening since the arctic ice is melting faster than the antarctic ice. Ice is more resilient over land than over water, and the arctic has a lot less land than the antarctic. Ice melting doesn't make the gravity of the water molecules go away of course, but mountains exert a locally elevated amount of gravity because the mass is piled up in one place. The same is presumably true for massive sheets of ice relative to the lower and flatter ocean.
As a physicist, that's just stupid. I'd ask why such a paper never crossed my desk considering I'm an expert in gravitation, but then I suppose not every dumb idea gets published in a reputable publication.
It's all about the sun cycles and the earth's magnetic field. The recent solar storm was smaller than previous storms, yet it produced record breaking auroras reaching further around the earth than ever recorded previously. As the magnetic field is disrupted by repeated solar storms it's ability to resist those storms is degraded. We are one big CME away from a serious outage and I'm afraid world governments are not prepared for this disaster scenario. We should be burying electric lines and other cables underground. Makes you wonder why that hasn't happened despite the fact that power lines get blown down over and over by hurricanes and rebuilt just to blow over again.
The cost of burying is way higher that build lines. That's why they don't do it... Like for almost everything that is a problem, the answer is "financial benefits" which mostly profits to the ones that could make things right if their own financial interest didn't blind them complitely.
You overestimate these magnetic forces, which are far less than changes in solar irradiation and the Milankovitch cycles (both of which are in cooling phases) and the long-term carbon cycle as reflected in changes in the greenhouse composition of the atmosphere. In addition, those magnetic forces are relatively constant, so while they might impact the fluid dynamics of the atmosphere, it would only be in terms of short-term fluctuations working out to zero over the long-term.
Where are you getting that the recent solar storm was smaller than previous storms? As far as I am aware it was the single largest since the Carrington event. Being smaller than the biggest ever isn't unimpressive. Our systems held up perfectly, and while that doesn't necissarily mean anything for even larger storms, this storm was bigger than expected, not smaller. It was impressive what we just handled.
Burying the lines will protect them from wind storms, but it won't do jack for magnetic storms. Magnetic fields pass through dirt just fine - that's how we're able to use the magnetic field of the earth's core for, well, anything really. There are very few records of previous solar storms because most people had no cause to write them down - auroras weren't seen as a harbinger of doom like comets. But Captain Cook recorded seeing the Aurora Australis while he was sailing past the north coast of Australia, so we know there was a pretty big solar storm at that time. There's no evidence of the earth's magnetic field taking long term damage from solar storms or CMEs. The only thing that is damaged by these events is long distance power transmission cables, and we have no way to protect those. So the solution is to get rid of long distance power transmission cables, and then not worry about it because otherwise all a solar storm is going to do to us is make pretty lights in the sky for a few evenings.
Haven't watched the entire video yet, but could they mean "black swan theory"? Basically an event that is extremely rare (so it is not taken into account when making preparations, creating policies, etc.) but has colossal consequences once it eventually occurs
TL:DR Science is just a way for us to process everything around us, and with all kinds of perspectives, we are bound to find out more about our world. Great video! It's a bit pathetic how angry people can get when they realise they were wrong about something. Science is a way to process everything around us, and since there are many researchers, there are many ways to research things like the climate, rising sea levels and whatnot. Some researchers are more biased than others, so I think we can often trust the science, but also trust the evidence when we see it for ourselves. If you notice a change in your environment, that doesn't mean it's less legit if you don't happen to be a researcher. Researchers work on that stuff, while others can do that as a hobby. So I personally believe both official researchers and amateurs are needed. Different perspectives are important. Remember that whenever you feel inadequate. Some People just happen to be favoured by many, and thus get more attention, but that doesn't mean everything these people say is automatically more important than your thoughts and ideas.
Some of the issues in sea level rising. Is the sand that is used for construction. If you dig into this subject you’ll understand why we’re running out of building sand. And you’ll see how it affects the beach’s. It’s an open market with little to no oversight.
Pulling sand further inland would have the opposite effect. Much of that sand is pulled from the edges of the shores and just beyond it, for that exact reason. It doesn't matter how much you look into something, if you're looking in the wrong places.
@@michaelotoole1807 you are wrong. It’s beach sand that’s is the only sand useable in construction. Its shape is why that is. It’s also why you can build sand castles. Go look into it. Sand mafia is a good video.
Not just black swan coastal flooding events, but also the increasing intrusion of seawater into formerly fresh water coastal aquifers. So even if your Florida property is (for now) above flood levels, it doesn't mean you'll be able to drink the water.
We are not doomed, we're just going to be forced to adapt in what seems thousands of years of complacency. I liked this video because it didn't have a doom tone, which is always present on climate change videos, which I hate. I don't believe climate change is a catastrophe, its something to be managed, a problem we could fix if we decided it was important and invested effort. It doesn't even need to be a lot, 15% of the GDP over decades might do it. What's dooming us is our inaction.
You can tell us how doomed we all are when you retire from work and get your pension, because unlike the crisis alarmist nonsense, that is going to happen!
Interesting thought. I know the water held in Three Gorges has had a measurable effect on day length - measurable in fractions of a millisecond, but still measurable.
@@YangLeee Will it make any significant difference to anything, though? Compared to extreme weather destroying crops and killing billions of people, and elevated CO2 well into the range that makes the remaining people stupid, sleepy, and anxious, I'm not convinced that even a few minutes' change in day length is the thing we need to be focusing on.
New subscriber here, glad I found you. Amazing comparison between ice and electric batteries. Great graphics. Us oldies know not to lick frozen poles from A Christmas Story😂
It's really disheartening reading all these comments denying the fact that our world's climate is changing. It's such an obvious and fundamental fact of our existence like gravity, but I guess you can't expect much from the 54% of the population that are scientifically illiterate.
I've learned in lectures that the land ice in Greenland are big enough to attract ocean water in that region; the loss of Greenland ices could mean less water around Greenland and more water elsewhere
@@Kevin-x4p4ydensity and gravity would be unrelated. Without CO2 we'd be living in an ice age. With more CO2 we'd see an explosion of plant life. Diminishing returns on the plant growth would be seen at 5% CO2 atmospheric content, and the current atmospheric content is less than 3%. Water vapor is almost 7 times better at trapping heat than CO2 is. Water vapor is the real problem. CO2 doesn't help but that's the only thing we can control besides turning off our electrical grid, because 90% of the grid is powered by..... BURNING ANYTHING AND EVERYTHING TO SPIN A TURBINE WITH WATER VAPOR!!!! Rising sea levels only impact the super rich that have gentrified the coastal areas. You used to be poor if you lived on the beach. Only recently had beach front property became attractive. Take this as your "getting back at the man" moment. Philip Morris scientists took up the climate argument because they were out of work. Let's talk about east Palestine and how much nobody actually cares about the climate and ecosystem.
Alex, I quite enjoyed this very interesting and informative segment. Your videos are par excellence bar none! Your content, narration, and production are better than some huge budget tv productions imo. 👊🇨🇦
I don’t understand that, with all this knowledge of how the system works, we allow money to drive the downfall of the planet. Rather than do something to stabilize the system. It makes me so incredibly sad.
The map shows wildly inconsistent sea level rise, it is around 6m in Southern Vietnam, in Florida it's about 25m and the Alaskan panhandle is around 700m. I tried to do Cuba but it didn't line up closely no matter what height I used. Just look at it, in what world would the Norwegian west coast be more affected than the Swedish and Finnish coast?
@@stanm4601 go to google maps look at the coastline of the Wikipedia map and check the altitude of the new coastline in google maps you will see vastly different values when the sea level should always have a consistent value and not vary by more than a few meters as water finds its level and cant be at 6m higher in one spot and 70m higher in another.
Sea level rise is due to both ice melt and the expansion of water as it warms. The sea level on the East coast has risen only about a foot so far, so it wouldn't be very noticeable. But that will accelerate.
I've noticed the total lack of wildlife in the last 30+ years, we used to hear birds every morning, woods were filled with birdsong, if you went for a walk in the evening you'd see hundreds of hares and rabbits, now it's quite everywhere, the numbers are pretty low now and seeing any of the above is rare.
Not enough CO2. Levels are dangerously low on Earth. We need more CO2 plant food to make more plant growth to enrich soils, to feed more animals. CO2 is NOT pollution and not a cause of imagined global warming.
@@Squintz45 You've obviously never lived in the countryside, never gone on an evening walk in it and maybe too young to ever see it, which judging by your childish comment is probably about 15.
In 1990, the IPCC First Assessment Report acknowledged that "Human-made aerosols, from sulphur emitted largely in fossil fuel combustion can modify clouds and this may act to lower temperatures", while "a decrease in emissions of sulphur might be expected to increase global temperatures".Since the 1980s, a decrease in air pollution has led to a partial reversal of the dimming trend, sometimes referred to as global brightening. This global brightening had contributed to the acceleration of global warming, which began in the 1990s. In 2020, COVID-19 lockdowns provided a notable "natural experiment", as there had been a marked decline in sulfate and black carbon emissions caused by the curtailed road traffic and industrial output. That decline did have a detectable warming impact: it was estimated to have increased global temperatures by 0.01-0.02 °C (0.018-0.036 °F) initially and up to 0.03 °C (0.054 °F) by 2023, before disappearing. Regionally, the lockdowns were estimated to increase temperatures by 0.05-0.15 °C (0.090-0.270 °F) in eastern China over January-March, and then by 0.04-0.07 °C (0.072-0.126 °F) over Europe, eastern United States, and South Asia in March-May, with the peak impact of 0.3 °C (0.54 °F) in some regions of the United States and Russia.
@1:16 I can tell you without watching what our main problem is, The Vast root systems around the world of the trees we cut down has lost most of that water content. A LOT of TREES. The cattle farming and need for infrastructure killed america and australia
I think the main difference is the change predicated by Milanković cycles, can take thousands if not tens of thousand of years. What is happening now is taking a few hundred.
@@sugarloafoutdoors7601if the world changes in a thousand years it will have no meaning for me as to predict that far into the future is impossible to do, (science fiction speculation), likewise in a hundred years, (imagine the poor souls confusion if you bought a person born in the early last century into today), try to imagine a world your grandchildren mature in, once again SF speculation, not saying pollution control shouldn't be undertaken but the timescale has to be relevant to people today, the climate activists have warned about imminent deserts and ice ages within my lifetime, non of which have come about, knocks the street cred somewhat, making it difficult to put too much faith in any of the big claims.
if you think that's a downer, just read this comment section. half these regards are convinced the video is lying, and the other half is vowing to actively make the situation worse purely through obstinacy.
@@xtrafunkwe have the wrong boogie man. CO2 is a greenhouse gas sure. So is water vapor. Water vapor is 7x as good at trapping heat than CO2. The vast majority of our power grid burns something to force water vapor through a turbine. CO2 is a contributing factor, but water vapor is the man holding the murder weapon at the end of the day. It is far less disruptive to the economic status quo to pull you out of your car and make you ride a bike than it is to never pour concrete or not virtue signal with a wind farm that generally nets negative production on the power grid and are toxic waste products. Living near a wind farm for a decade and most of the turbines aren't running, I also recently learned that they take energy from the grid to spin up to speed BEFORE they start to generate anything, compounding their net negative output.
@@EnthusiasticTent-xt8fh Why do they say they are measuring sea levels and present their measurements on graphs going back decades now? Do you think it is all a big con? Do you doubt the science of satellite measurement. At Greenhouse 87 in Melbourne satellites were good enough to do a lot of measurement but in those days there were issues with 'ground truth' to calibrate what was being seen.
To puts things in perspective, it took tens of thousands of years for the Laurentide Ice Sheet to be completely melted because that warming was a hundred times slower than what's happening now. The remains of that ice pack are now on Greenland, but it will take another 1500 years or more to melt; that is very quick in geological time, but the concern now is, the first 5% of that ice melting makes a mess in the sea level cities.
What's most scary is that all the people who believe they should be controlling climate change are advocating for changes that will kill billions instead of just killing themselves. If you believe in climate change, you support genocide and oppose self-sacrifice.
Weird... If you look at an interglacial chart we haven't crested the top yet of the current warming cycle. We have a few degrees higher to go and a couple hundred years to get there before we start down the other side towards a new ice age. For those of you in The peanut gallery. And ice age is a bad thing. That's when extinction events happen. There ain't no deserts around the equator and generally the world likes heat
"The world likes heat" - well said. We have temperatures going above fifty degrees in the capital, so the problem is that most people aren't equipped with acs. Cemented infrastructures and pitch roads are probably not deserts but the heat generated - wuff! "Other side of new ice age" - Nice, I like how you made a quick leap there. This guy in the video found it hard to predict what would happen in 2100 and you were able to determine nevertheless about the next ice age. I like your style of looking at things, you give me hope in humanity's sensibility.
Ice ages have been cyclical for millenia. Are you suggesting we intervene in the natural cycle to prevent ice ages? Something like... anthropogenic global warming?
@@jsonjsoff "Cyclical for millenia" - Proof beyond reasonable doubt based on observable trends is one way of looking at large time scales, but the interpolation is a long shot. Didn't say it wouldn't happen, but there is a possibility where the atmosphere heats up too much for ice to form. Or say the atmospheric layer runs haywire and the Earth's water is flung into space. These are some of the catastrophes that you may consider before coming to a conclusion that "what's bound to happen will happen" based on your deduction of "what's bound to happen".
I really enjoy Astrum. I’m of the mind that if it weren’t for the Moon the Earth would not have such a balance in the ocean. Of course with the exception of when our orbit takes the higher plane and everything gets icy.
The last ice age ended over 8000 years ago, and the climate has been fluctuating slightly ever since. Right now we are accelerating the rate of change.
@@rudolfsykora3505 Look at a graph. The temperature coming out of the last ice age peaked over 8000 years ago and has not gone significantly above that since. Until now.
@@jockyoung4491 Not much actually, non anthropogenic global warming accounts for 90%(but this is never reported) as the figures are being massaged into a narrative to sell electric cars. The truth is that the 90% is us leaving the ice age(we didn't leave it 8000 years ago), so what we are experiencing is basically entirely natural and some scientists believe we are going to go straight back into another ice age anyway.
What role does the Earth's wobble have to do with the warming trends? 26,000 year wobble cycle, doesn't that line up fairly close with the Milankovitch cycles and glacial cycles?
We also have the magnetic poles reversing at reasonably regular cycles, does that effect climate and if so how and to what extent, we are apparently due another one, in geophysical terms it's imminent, however soon that may be.
The curiosity is, the highest temperatures recorded across America, happened during the 1930's. These records still stand today & were before mass production processes were developed and before the proliferation of motor vehicles, heating systems and aircon for commercial building and homes. It also pre-dates mass travel by air, seaor land. The 'anomoly' used as the base for measurement and comparisons since, are from 1860, when the world was still emerging from the little ice age. This is a political project, not scientific
@johnmurphy4814 Sure. There WERE some high temps in many places in the US in the 1930s. But the TREND then wasn't to warmer temps consistently, like it is now. There were ANOMALIES and there always will be. Temperature and HEAT are not the same thing. Think of Temperature as a linear measure. HEAT by that idea is a measure of VOLUME! So if the weather stays consistently warmer, but no extreme temperatures, there will be MORE HEAT in the environment. This translates to warmer air which can then absorb more water into it. This is NOT humidity! Think of humidity like temperature. Water is an even MORE potent green house gas so even MORE heat is reflected back to earth via the atmosphere. We are at over 400ppm carbon dioxide now. It was only about 300ppm in the 1930s. So it has gone up substantially in less than 100 years. And don't talk about "how small" a ppm is. It is NOT the specific number it is the potency of the value PER the attribute measured. Water can absorb about 4 times the heat that carbon dioxide does. So for the SAME capacity, it only has to be at 100ppm. Methane is about 10 times the heat capacity of carbon dioxide. So it only has to be at 40 ppm. Melting permafrost in Arctic land is releasing methane. Greenland and Antarctic ice sheets are melting at an unprecedented rate. Mountain glaciers all around the world have retreated enormously in the past 50 years. The first thing that's going to happen is war over water as about half the world relies on mountain glaciers to keep a constant supply of water. Your inability to understand all of this DOES NOT make it political. You just don't want to accept what the DATA tells us because that would mean you have to change your life style. And DO some of your own research! Go find out WHY we know that the increase in carbon dioxide is human burning of coal and oil. Initially it was wood in the 1750s or so. But it changed to coal for about 150 years and then to oil AND coal the past 130 years or so. The enormous swaths of burning forests these past 10 or so years can be seen via this same metric. We KNOW that excess carbon dioxide from burning forests has gone up recently too. There really is a SMOKING GUN for that! Go! Go and learn!
@@rickkwitkoski1976 Oh dear, you do have it bad. Your maths don't even work but you're panicking about something that happens naturally. Temperatures have NOT risen in any consistent manner greater than before mass manufacturing and a world population half of what it is now. You're also ignoring the fact that the world has 'greened' by nearly 20% over the last 3 decades, entirely enabled by extra CO2 in the atmosphere. Doubling CO2 results in almost doubling crop yields with no extra fertilizer. You're the one who needs to learn - not to panic over something that's actually better for feeding people. Concentrating on a narrow band of misinformation isn't going to help you. FYI due to the characterisitics of CO2, the increase mechanism is very limited, due to the very narrow band of radiation that it absorbs in the first place. The impact of doubling CO2 is also logarithmic, not linear, limiting it further still. On the tail of that, heat is also escaping the atmoshpere at a far higher rate that previously claimed, due to many factors. You otherwise rely on nonsense, the Antarctic ice is gaining mass on one side far faster than it is melting. Greenland, back in the days of the Vikings, was ACTUALLY 'green'. There are a huge number of farms under the current snow, previously farmed by the Vikings for centuries because of the Medieval warm period, but abandoned directly because of the 'Little Ice Age'. Maybe look into the physics and historical facts instead of your alimentary canal.
For all those thinking that ice melting in a cup of water does not raise the level, there are 2 things: 1. Greenland and Antarctica are landmasses. Any ice being added to water can raise the level. 2. As the video mentioned, plate tectonics plays a role here. As the weight a plate bears decreases, the plate will rise, and some other plate will sink. Though this is not enough to trigger earthquakes, it is enough to rise/lower the sea level significantly. 3. Even in the ideal case where all ice would be present only in the water, and plates would not exist, the melting of ice would still release prehistoric organisms and chemicals trapped in it over many years. So yes, melting of ice is a big concern, as it is currently accelerated by humans. People saying that 'government' is trying to control us are just fear-mongering (though greenwashing is still equally deadly, and ruins the reputation of actual environment conservation efforts).
Let me start with #2 - Plate tectonics take hundreds of thousands of years to notice. #1 Yay-saying. You list the fact that two areas are landmasses, then just claim that adding ice to water raises the the water level. Yet the "ice" is already in the water, it is not magically spawning as if in a video game. Finally #3 those organisms are long dead. The only accurate thing you did post is the chemical would be released, but of course YOU have no idea what those chemicals are, or in what concentration since actual scientists can only predict both of those variable. So please stop pretending you understand these topics because you read a wiki page. The melting of ice has been going on for four decades and has yet to raise the water level AT ALL. Beach front property along the East and West coast of N. America, on average (some areas do fluctuate, but they average out over the entire continent) has not been disappearing or else the communities would be moving inland.
As a sea farer you shoulld know sea levels are unevenly distributed around the planet due to local terrain, distance from the equator, and uneven patterns of ocean expanding. Obviously where you anchor often, the land is rising at the same rate as the ocean.
@@rastrisfrustreslosgomez544 As the ice melts from the poles, it changes Earth's mass distribution, making it more spherical. This results in more sea level rise at the equator. So for now there actually are some places that stay roughly the same because the ground is moving up.
@@JB52520 that is just not true. All the water mass in the world is neglible to the overall mass of the earth. Even if all the poles were to melt away earth Will remain largely the same shape since it's such a neglible mass by comparison. We call it planet earth but I think planet iron is way more appropiate
@@JB52520 that is not true. All the water mass on the whole world is neglible when compared to the overall mass of the earth. That means that a change in water distribution is neglible to the overall shape of the earth
@@rastrisfrustreslosgomez544 We don't need to think of the mass of the planet, only the crust, as it is floating itself. Any land that has been covered in thousands of metres of ice, has enough mass on it to be depressed downward, and consequently return upwards when the ice retreats. I believe there is a lot of land still rebounding from the last ice age.
![Lp. Сердце Вселенной #60 РОЖДЕНИЕ ЛОЛОЛОШКИ [Финал] • Майнкрафт](http://i.ytimg.com/vi/YoR0pAV9FVQ/mqdefault.jpg)
I don't get what is going on in all your videos comment sections lately. Everyone is so bitter and angry. I just want to say there's definitely plenty of us out here who love your approach to these videos. You're willing to cover topics that upset all political ideologies and just focus on accuracy as it should be. I'm happy every time i see a new video from you
BECAUSE PEOPLE ARE GETTING PEED OFF WITH THIS SO CALLED CLIMATE CHANGE CAUSED BY HUMANS
Probably deceptive titles
The contentious attitude you find here is going on everywhere. Everyone is so volatile and aggressive, The legacy and social media platforms are pushing with great gusto, it ups their viewership.
@@gayprepperz6862the truth is very unpleasant that some are not willing to accept
Entropy is something, unfortunately that is not well understood by the majority of people otherwise they would understand that the heat being used to convert the ice to water will heat the water rapidly once the ice is gone
First off, Alex, please don't ever consider not presenting and narrating yourself - you are at the top.
Next, congratulations on another episode with amazing animated and still graphics and images. While still a lecturer at a university, I have presented some of the things you covered today in ecology lectures, but this would have blown the student away.
Finally, I cannot understand the amount of negativity in many comment. Presumably you have spoiled them - they should try watching some channels supposedly covering science topics, and at least one that shall remain nameless, does not allow comments despite totally click-bait titles and low level research narrated by an AI that is still at Fourth Grade level.
Spot on
great video! I’m used to astrum doing vids abt space, but a video about earth itself is a nice change
It's pandering.
If we compare the rapid melting of the ice from 12'000 years with today, they should know that half of Northern Europe was under a kilometer-thick layer of ice, and North America too. Today, most of the ice is already on the sea, only in Antarctica is it relatively balanced, but the masses of ice that are now over Greenland are no longer comparable to the kilometer-thick layers that existed in the past. The sea level will not rise much as a result. And the previous model predicted a rise of 2.5°C, we "only" achieved 1.5°C. So they were already 1°C too high! Most civilisations had a flowering period in warmer times, there were safe harvests. No reason to spread panic!
especially that example from 2020, a human made virus, yeah great. At least don't use a man made virus as example ASTRUM!
@@interstellarsurferpandering to who? Sounds like he made up his mind due to the evidence
Dude, earth is IN space
I know retired construction workers. Almost all of them have said sometime around 2016 working outside in the summer had become unbearable in the summertime. The sun just felt hotter.Yes not scientific but real world experience..
I work outside year round. The sun is like a physical force pushing on you. The sky used to be blue. Now it's steely grey...
It's still blue where I live.@@MovingTarget3
as people age, their ability to tolerate temperature extremes goes way down
@bb5242 I know many that say/feel the same.
Funny, older I get, more I love the cold.
I worked cattle from 2008-2020 and concrete construction from 2020-current. I would agree, outdoor work has changed substantially. I have no medical conditions or real changes to my health over that time and the summers have just gotten rough.
The worst part is Google adding context from the United Nations, like thats something I need to hear to be able to think clearly.
I really can't stand when they do that.
It used to only cover just a couple of subjects, but now it keeps popping up under all kinds of videos under all kinds of different topics.
I imagine if they had internet in the medieval times there would have been a caption under Copernicus' video stating that according to the authorities the Earth is at the center of the solar system.
You're watching ads on UA-cam? Don't you have Firefox + unlock origin?
@@Roger-ws8rj Big Brother
@@sburgos9621 xacty
I love your videos and am very impressed. Your slow and excellent narration allows me to get my head around what you are saying. I have a Bsc so am not a thicko but need time to understand a new concept. Well done.
I am from Wales in the UK and think that you must hail from around the valleys in south Wales.
wanted to say you never disappoint your videos are top tier, your information and the amount of research you put into it is not unappreciated. My 10-year-old old son and I watch your videos all the time and literally he watches the whole video and asks questions, which is pretty amazing that he is so focused the whole time. Another great thing about your videos, you have several different lengths, so many options, just all done so professionally and just thank you. We appreciate you and your videos so much, thank you ❤
I've been a subscriber to your UA-cam channel for a couple years now. So, I just wanted to say to you that I'm grateful that a bright young person such as yourself takes the time and effort to produce such quality content that is easily understandable for so many to learn from and enjoy as much as I do. So, thank you Alex. And everyone that is part of helping you produce these videos.
Alan Massoli
United States
Well said!
Thanks!👑 fantastic as always 🌟
Israel currency?
@@L·LŒÞwhy does it matter?
I feel like in climate change discourse there are nowhere near enough talks about the major atlantic oceanic current and what impact it would have if it collapses. so much appreciation for mentioning it.
aside from lowering northern to middle europes temperatures by up to -10°C, there is also a risk of temperature increase by up to +10°C around the equator. it wouldn't just affect whatever landmass touches the atlantic, but would affect the climate everywhere.
not to mention that we're running out of time on that issue. if things stay as is it could collapse within the next 10 years, because it is already slowing down drastically
They even found tropical plant and animal fossils already on the continent surface.
Things that got buried in mineral rich mud. Look up antarctic fossils. The continent wasn't always at it's present latitude. It was way further north -Equatorial at one point.
Astrum's too good for UA-cam.
Astrum is exactly what UA-cam needs more of ❤
Yeah, but we really don't want him to leave
UA-cam (when you watch the right videos) is waaaay better than TV/Movies. There is nothing wrong with high quality creators being on UA-cam. 🙂
Yet, very little science... I am really concerned about who is behind.
Alex, you have a wonderful voice that adds another layer to your presentations. I think all of your videos are outstanding, intelligent and chalked full of information. If people choose to live under a rock and pretend our world isn't changing dramatically, so be it.
What a day. A new Astrum, PBS Spacetime and Veritasium video 👏🏻
Nice channels
2 out of 3 are Aussie ❤
Great Channel!👍🏻🇺🇲
Yes those are quality and entertaining channels.
Veritasium is a fool.
Sorry to mention this, but I would like to point out an error. At 6:45 you show the amount of energy to warm a cubic metre of water as being 4.18 kJ. It should be 4.18 MJ, since it takes 4.18 kJ to heat a litre of water by 1 C, and there are 1,000 litres in a cubic metre. If anything, that makes the issue of disappearing ice even more dramatic :(
Lot of people here saying personal opinions like it was scientific evidence 😞 I blame politics. And money
Morons are a dime a dozen, and the internet was made easily and affordably accessible. Instead of learning from that pipe line of information, they went the wrong way down stupidity holes.
I blame dunning kruger effect
@@MichaelHarto you should blame the ever changing story, the highly questionable record gathering, the experts with stock in "eco" companies and far more than anyone has to type out.
I blame willful ignorance.
@@onlyonewhyphy Hardly an ever-changing story. Sure, new measurements come along, and models are adjusted, but they've all be saying broadly the same thing for decades. It would be more suspicious if it didn't ever change and all new data perfectly conformed. Sure, some people might be in line to make a profit from new Green tech companies, but that pales in comparison to the trillions of vested interests in Oil, Gas, Coal and the status quo in general.
@@onlyonewhyphy In your case, blaming yourself might be helpful.
Love your work, please continue, and please ignore the detractors. You make a difference.
One fact I believe you got wrong.. Man does not learn from his mistakes.
😢
If that was true, misanthrope, humanity would have gone extinct hundreds of thousands of years ago.
As it stands, humanity conquered nature.
Yeah mom has to always clean up after them.
edge. If true, we wouldn't be on youtube.
History always repeats itself.
To a Californian, a quiet forest does not mean that it is dying. We have vast Redwood and Sequoia forests that are so quiet, you might imagine being in an anechoic chamber. Those forests are quiet because insects cannot live off of the redwood trees as they are too acidic for them to survive. That creates a chain reaction: no insects equals no birds and no birds means no sounds. But there is no feeling of impending doom. Those forests are just unbelievable!
I’ve been to the Redwood forests. There are hundreds of bird species that live there. Idk what this person is talking abt. Don’t take my personal experience as evidence; look it up.
@ interesting! Not only did I live nearby, I’ve been to the sequoia forests as well, but if you take a tour guide or walk through the visitor centers, that is what you are told. And that’s aside of the amazing quietness that one observes, that apparently you missed as you rushed through in your car.
To repeat, the reason the wood is RED, is because there are high levels of iron in the soil, which is toxic to insects that forest birds thrive on, nor are there non -toxic berries, hence there is nothing to lure them into those forests! You can look that up urself!
"Approximately 280 species recorded within the redwood forest" -nps.gov @@nixl3518
What we know of most areas is a very reduced fauna version.
That's so cool, I'd like to visit one day.
Netherlands war against the sea continues
Submarine colony
My house is at -3m below current sea level 😳
Indeed, and most dutch people dont even care these days. You can tell them all this stuff, they will still vote for rightist parties that deny climate change... its maddening
Netherlands took away what belonged to the sea. It's just matter of time and it will claim back.
The Dutch get too much credit for coming up with the brilliant idea of digging a trench.
And not enough credit for the effort they put into it.
There is a massive bot problem on the internet, you can see them in the comments of every large creator's channels, their aim is to sow discord and division, do not engage, do not block, ignore.
Any engagement is a win.
Not a pinky commie bot as you claim...
@@easyfund You don't even know what that means
uhm never in the history of anything was ignoring a good strategy... absolutely report them
@@dimitralex1892reporting is fine, but don't block or reply to them
It’s sad to see an intelligent conversation descend into a stupid argument
0:10 - shouldn't that be "entangled flora", not fauna? Flora are plants. Fauna are animals.
Yeah you don’t see the entangled animals??
If you look close, you’ll notice Jada Pinkett Smith entangled there as well
Yo this was outta pocket 😂😂 had me hooowwlin@flatWhiteGirl
Can't say that I've ever licked a ski lift pole, but I skill get your point.
These videos are great. Thanks for your time and effort.
Alex, another great offering by you and your very accomplished colleagues ! This quality of work keeps me coming back to your site when I want a dependable source for such information.
As a subscriber for a couple of years, thank you for continuing to produce videos like these. Even as an ecologist, I learn something new or a different way of looking at information with every episode. The graphics in this one are amazing, so much so that I need to go back more than once to internalise the changes being illustrated. A great part of my enjoyment in watching your episodes is the commentary - please never consider using AI voice generation. By the way, the introduction to the sponsorship spot was masterful!
Great video as always, I have learned things :) Thanks!
Beautiful coverage of the subject, thank you.
Is the picture at 6.45 correct? Havent done thermodynamics in many years.. but the units seem mixed up? 4.18kJ to heat 1m3 water 1C sounds.. low?
4.2 kJ/kg is usally used as baseline. i guess somebody at astrum doesn't understand quadratic equations.
Thanks!
Astounding as always 👏👍👌
It’s rare to see someone cover vertical land displacement.😊
I sincerely appreciate this and your previous video. You did an excellent job of laying out all the refutations of climate-change deniers and then clearly presented the dire situation we now face. However, it's the up-beat, we can fix this ending that troubles me. Not because of anything you said, but because I don't believe humans are capable of hearing anything they do not want to hear.
I don’t think it’s about humanity not wanting to listen. There’s too many of us, wanting a standard of living and producing constantly. No amount of EVs which require more mining and destruction, or eating veggies will save us. We would have to all agree to severely lower our standard of living, that includes energy consumption. And then on the other side of consumers are industries which will keep polluting. We can’t solely blame consumers. I think change will only come from total collapse of global human population and collapse of the global economy.
Trying to prove this Climate change is like saying milk drowns Cheerios; In a hotter climate we had mega fauna and more flora than ever, transglaciation however already has centuries of reviewed data. Who cares if it is too hot out if the water sterilises you and the air gives you cancer?
No what you did is gave up on Captain Planet for investment options you won't live to reap at the cost of your integrity.
They aren't willing to lower their own standard of living. They will force others to lower theirs, leading to genocide of billions.
I'm not denying climate change, but I am denying climate catastrophe 😊❤ the sky is a little warmer, not falling 😂
@@agingerbeard the planet will do just fine, it’s the humans who will suffer. So yes, the sky is not falling, but everything that will ensue will cause food shortages, migration, global economy collapse and wars. Not to mention lost habitats and their biodiversity. We’ll probably all adapt, but it will be a different world.
Thanks!
Very epic video man! I like how you didnt just talk about so much of co2 emissions but more of other natural aspects that i didnt even know off. Keep up the good work mate
It isn't the coastline changes that will cause the most chaos and carnage. What will cause the most hardship will be the droughts and the famines and the blights and the extremely energetic storms and the destabilized ecosystems.
Just a little typo correction at 6:46 - water heat capacity is not 4.18 kJ/m3/C but 4.18 kJ/l/C or 4.18 MJ/m3/C Disregarding this little detail, this is a fantastic video, thank you.
6:58 What sort of man takes his phone into a sauna?
Wtf, gross
A married one
@@crobilly19Hehe good one
Perverts? IPad kids?
An AI man?
Astrum you are awesome. You create videos both visually and audibly pleasing. Thanks ❤️
Nice video Alex, a good entry-level summary that doesn't condescend.
A paper from the University of Toronto several years ago showed that the Antarctic ice shelves have a gravitational pull. That means when they disappear the water currently being pulled to the southern hemisphere will move north. Sea levels will recede in the southern hemisphere and rise in the northern. I've been wondering what effect all this shifting water will have on tectonic plates. Or is the water like the arms of a figure skater, she pulls them in close to spin faster and spreads them out to spin slower? Will the water concentrate at the equator slowing the earth's rotation?
the arctic ice shelves have the same gravitational pull so why do you think it will move north?
@Pax.Alotin I think the point he was making is that liquid water would start mostly evenly distributing itself and its gravitational pull across all the world's ocean, whereas solid ice can pile up in huge mountains over antarctica, locally increasing gravity in that area relative to the rest of the planet.
@@KT-pv3kl There is far less arctic ice than antarctic ice and that gap is widening since the arctic ice is melting faster than the antarctic ice. Ice is more resilient over land than over water, and the arctic has a lot less land than the antarctic.
Ice melting doesn't make the gravity of the water molecules go away of course, but mountains exert a locally elevated amount of gravity because the mass is piled up in one place. The same is presumably true for massive sheets of ice relative to the lower and flatter ocean.
@weissfox5857 your explanation is exactly right.
As a physicist, that's just stupid. I'd ask why such a paper never crossed my desk considering I'm an expert in gravitation, but then I suppose not every dumb idea gets published in a reputable publication.
Thank you for your absolutely amazing work.
Looking on the bright side we might get a nuclear winter, that should help out the poles 😬
The Poles will likely have a hard time of it, though.
How many poles do we have ? like 3 ?
@@luizmonad777 A whole land full of them.
@@interstellarsurferThey make the best jokes... well, except for those aliens...
I think the Poles are more concerned with what Russia is up to.
Omg these are SO INCREDIBLE modern day PBS , these are such impressive videos and DAMN I LOVE THESE ALEX!
@astrumspace Seems the units are screwed up a little on the heat capacity screen.. 4.18MJ instead 4.18kJ would make more sense
It's all about the sun cycles and the earth's magnetic field. The recent solar storm was smaller than previous storms, yet it produced record breaking auroras reaching further around the earth than ever recorded previously. As the magnetic field is disrupted by repeated solar storms it's ability to resist those storms is degraded. We are one big CME away from a serious outage and I'm afraid world governments are not prepared for this disaster scenario. We should be burying electric lines and other cables underground. Makes you wonder why that hasn't happened despite the fact that power lines get blown down over and over by hurricanes and rebuilt just to blow over again.
The cost of burying is way higher that build lines. That's why they don't do it... Like for almost everything that is a problem, the answer is "financial benefits" which mostly profits to the ones that could make things right if their own financial interest didn't blind them complitely.
You overestimate these magnetic forces, which are far less than changes in solar irradiation and the Milankovitch cycles (both of which are in cooling phases) and the long-term carbon cycle as reflected in changes in the greenhouse composition of the atmosphere. In addition, those magnetic forces are relatively constant, so while they might impact the fluid dynamics of the atmosphere, it would only be in terms of short-term fluctuations working out to zero over the long-term.
Where are you getting that the recent solar storm was smaller than previous storms? As far as I am aware it was the single largest since the Carrington event. Being smaller than the biggest ever isn't unimpressive. Our systems held up perfectly, and while that doesn't necissarily mean anything for even larger storms, this storm was bigger than expected, not smaller. It was impressive what we just handled.
Burying the lines will protect them from wind storms, but it won't do jack for magnetic storms. Magnetic fields pass through dirt just fine - that's how we're able to use the magnetic field of the earth's core for, well, anything really.
There are very few records of previous solar storms because most people had no cause to write them down - auroras weren't seen as a harbinger of doom like comets. But Captain Cook recorded seeing the Aurora Australis while he was sailing past the north coast of Australia, so we know there was a pretty big solar storm at that time.
There's no evidence of the earth's magnetic field taking long term damage from solar storms or CMEs. The only thing that is damaged by these events is long distance power transmission cables, and we have no way to protect those. So the solution is to get rid of long distance power transmission cables, and then not worry about it because otherwise all a solar storm is going to do to us is make pretty lights in the sky for a few evenings.
Did I miss the thermal expansion of the oceans? …now I’ll have to go back and properly listen instead of multitasking
11:35
I thought sea level rise was caused by the tears of haters.
Tears of global warming haters, right? :)
😂 I thought it was from carbon taxes flowing out into the deep blue
We have enough haters in the comment section on this video to do it all ourselves! Haha
It’s tears of laughter from the boomers. They caused this and got all the benefits and are laughing at us left to deal with it.
So far, it seems most of the haters are those who disagree with the people that are disagreeing with this video.
Great video man sorry that social media has ruined most people
what are you referring to in 2020 the Black Swan I don't recognize the reference can you please explain that further? Thanks
Haven't watched the entire video yet, but could they mean "black swan theory"? Basically an event that is extremely rare (so it is not taken into account when making preparations, creating policies, etc.) but has colossal consequences once it eventually occurs
Perhaps he's referring to the start of the pandemic in 2020. He should be more specific though.
@@EyeoIsis that's what I thought too.
TL:DR Science is just a way for us to process everything around us, and with all kinds of perspectives, we are bound to find out more about our world.
Great video! It's a bit pathetic how angry people can get when they realise they were wrong about something.
Science is a way to process everything around us, and since there are many researchers, there are many ways to research things like the climate, rising sea levels and whatnot. Some researchers are more biased than others, so I think we can often trust the science, but also trust the evidence when we see it for ourselves.
If you notice a change in your environment, that doesn't mean it's less legit if you don't happen to be a researcher. Researchers work on that stuff, while others can do that as a hobby.
So I personally believe both official researchers and amateurs are needed. Different perspectives are important. Remember that whenever you feel inadequate. Some People just happen to be favoured by many, and thus get more attention, but that doesn't mean everything these people say is automatically more important than your thoughts and ideas.
Some of the issues in sea level rising. Is the sand that is used for construction. If you dig into this subject you’ll understand why we’re running out of building sand. And you’ll see how it affects the beach’s. It’s an open market with little to no oversight.
Same with drainage gravel and ballast mix, the ton bags turn up smelling of brine...... wonder where they're getting all of that..
I have never heard this aspect been mentioned before
Pulling sand further inland would have the opposite effect. Much of that sand is pulled from the edges of the shores and just beyond it, for that exact reason. It doesn't matter how much you look into something, if you're looking in the wrong places.
beach sand is not suitable for construction.
@@michaelotoole1807 you are wrong. It’s beach sand that’s is the only sand useable in construction. Its shape is why that is. It’s also why you can build sand castles. Go look into it. Sand mafia is a good video.
Not just black swan coastal flooding events, but also the increasing intrusion of seawater into formerly fresh water coastal aquifers. So even if your Florida property is (for now) above flood levels, it doesn't mean you'll be able to drink the water.
Thats what wells are for
And filtration devices, they got plenty of sand
@@ClyDIley Ummmmm, not sure we're one the same page with this. Putting a well into salt water only brings up....salt water.
@@ClyDIley Sand doesn't filter out salt.
@@ClyDIley ... You know, wilful ignorance won't change reality. Plug your ears al you want, your won't magivally stop being under water.
Thank you Alex and Team for a very educational and informative video. Sadly it’s very alarming for us all on earth.
Thank you for another excellent presentation.😊
I knew we were doomed. if I start having a tiny bit of optimism, I make sure I read the diahreah that is the youtube comments section.
We are not doomed, we're just going to be forced to adapt in what seems thousands of years of complacency.
I liked this video because it didn't have a doom tone, which is always present on climate change videos, which I hate.
I don't believe climate change is a catastrophe, its something to be managed, a problem we could fix if we decided it was important and invested effort. It doesn't even need to be a lot, 15% of the GDP over decades might do it.
What's dooming us is our inaction.
@@luizmonad77715% of countries GDP isn't a lot?😂
You can tell us how doomed we all are when you retire from work and get your pension, because unlike the crisis alarmist nonsense, that is going to happen!
@rr-zb3rh not if you live in africa or the middle east or south America 😂
@@rr-zb3rhUS politicians launder that amount in 6 months easy
Question as the poles melt and sea level rises, how much will it slow down earth rotation and change the length of a day?
Interesting thought. I know the water held in Three Gorges has had a measurable effect on day length - measurable in fractions of a millisecond, but still measurable.
This is actually a really good question. I haven't been able to find a common answer. We should really focus on this more.
@@YangLeee Will it make any significant difference to anything, though? Compared to extreme weather destroying crops and killing billions of people, and elevated CO2 well into the range that makes the remaining people stupid, sleepy, and anxious, I'm not convinced that even a few minutes' change in day length is the thing we need to be focusing on.
Negligible, I guess? The increase of sea level is nothing compared to the Earth's radius.
@@tealkerberus748 agreed almost nothing , just a observation
Excellent episode, thanks!
New subscriber here, glad I found you. Amazing comparison between ice and electric batteries. Great graphics. Us oldies know not to lick frozen poles from A Christmas Story😂
Great job explaining a complex topic.
Thanks for the video brother Alex
It's really disheartening reading all these comments denying the fact that our world's climate is changing. It's such an obvious and fundamental fact of our existence like gravity, but I guess you can't expect much from the 54% of the population that are scientifically illiterate.
You can thank the likes of Alex Jones, David Icke, all the other conspiracy nuts and their cult members for that.
I've learned in lectures that the land ice in Greenland are big enough to attract ocean water in that region; the loss of Greenland ices could mean less water around Greenland and more water elsewhere
we are talking about a few mm at best over the entirety of the planet here.
@@KT-pv3kl What ? Try differences of over 15 feet over the planet...it's called gravity and density !
@@Kevin-x4p4ydensity and gravity would be unrelated.
Without CO2 we'd be living in an ice age. With more CO2 we'd see an explosion of plant life. Diminishing returns on the plant growth would be seen at 5% CO2 atmospheric content, and the current atmospheric content is less than 3%.
Water vapor is almost 7 times better at trapping heat than CO2 is. Water vapor is the real problem. CO2 doesn't help but that's the only thing we can control besides turning off our electrical grid, because 90% of the grid is powered by..... BURNING ANYTHING AND EVERYTHING TO SPIN A TURBINE WITH WATER VAPOR!!!!
Rising sea levels only impact the super rich that have gentrified the coastal areas. You used to be poor if you lived on the beach. Only recently had beach front property became attractive.
Take this as your "getting back at the man" moment.
Philip Morris scientists took up the climate argument because they were out of work. Let's talk about east Palestine and how much nobody actually cares about the climate and ecosystem.
Alex, I quite enjoyed this very interesting and informative segment. Your videos are par excellence bar none! Your content, narration, and production are better than some huge budget tv productions imo. 👊🇨🇦
There's nothing more horrific than an ice age burying the land under ice sheets a mile thick!
On a positive note:
As the polar caps ice melts will end Californias water shortages .
Too bad most of it is salt water or contaminated with salt.
No it won't. It will only mean more alfalfa fields to suck it all up for Arabs.
How?
Fascinating!
The heat capacity of water is 4.2kj/kg/°c not per cubic Meter
How or with which app you do the interactive videos?
I don’t understand that, with all this knowledge of how the system works, we allow money to drive the downfall of the planet. Rather than do something to stabilize the system. It makes me so incredibly sad.
The map at 4:09 is wrong. It shows a 6 meter sealevel rise, not 70 meters!
The map shows wildly inconsistent sea level rise, it is around 6m in Southern Vietnam, in Florida it's about 25m and the Alaskan panhandle is around 700m. I tried to do Cuba but it didn't line up closely no matter what height I used. Just look at it, in what world would the Norwegian west coast be more affected than the Swedish and Finnish coast?
@@roevhaal578 The map is on the wikipedia page of "Sea level rise"
@@EARTH-PFP-ANDY Well it's still an incorrect map. Wikipedia can't change geography.
..and what do YOU base that comment on?..?? IF you want to call someone wrong. How about some facts, proof. !
@@stanm4601 go to google maps look at the coastline of the Wikipedia map and check the altitude of the new coastline in google maps you will see vastly different values when the sea level should always have a consistent value and not vary by more than a few meters as water finds its level and cant be at 6m higher in one spot and 70m higher in another.
Sea level rise is due to both ice melt and the expansion of water as it warms. The sea level on the East coast has risen only about a foot so far, so it wouldn't be very noticeable. But that will accelerate.
Half the rise is thermal expansion of water, a fraction will also be less weight at the poles deforming this largely spherical planet.
what the hell do you mean by "so far"? based on what timeframe? and by how much will it accelerate?
I've noticed the total lack of wildlife in the last 30+ years, we used to hear birds every morning, woods were filled with birdsong, if you went for a walk in the evening you'd see hundreds of hares and rabbits, now it's quite everywhere, the numbers are pretty low now and seeing any of the above is rare.
Where? What are you talking about?
This year there were more birds recorded during migration in the Great Lakes then ever before :)
Hundreds of hares and rabbits? The hare and rabbit farm must have closed some time in the last 30+ years.
Not enough CO2. Levels are dangerously low on Earth. We need more CO2 plant food to make more plant growth to enrich soils, to feed more animals. CO2 is NOT pollution and not a cause of imagined global warming.
@@Squintz45 You've obviously never lived in the countryside, never gone on an evening walk in it and maybe too young to ever see it, which judging by your childish comment is probably about 15.
Those time lapse graphics are great, cheers.
New subscriber here, glad I found you. Amazing comparison between ice and electric batteries.
In 1990, the IPCC First Assessment Report acknowledged that "Human-made aerosols, from sulphur emitted largely in fossil fuel combustion can modify clouds and this may act to lower temperatures", while "a decrease in emissions of sulphur might be expected to increase global temperatures".Since the 1980s, a decrease in air pollution has led to a partial reversal of the dimming trend, sometimes referred to as global brightening. This global brightening had contributed to the acceleration of global warming, which began in the 1990s. In 2020, COVID-19 lockdowns provided a notable "natural experiment", as there had been a marked decline in sulfate and black carbon emissions caused by the curtailed road traffic and industrial output. That decline did have a detectable warming impact: it was estimated to have increased global temperatures by 0.01-0.02 °C (0.018-0.036 °F) initially and up to 0.03 °C (0.054 °F) by 2023, before disappearing. Regionally, the lockdowns were estimated to increase temperatures by 0.05-0.15 °C (0.090-0.270 °F) in eastern China over January-March, and then by 0.04-0.07 °C (0.072-0.126 °F) over Europe, eastern United States, and South Asia in March-May, with the peak impact of 0.3 °C (0.54 °F) in some regions of the United States and Russia.
Scientists noted that temps rose just after September 11 here in the USA because the airliners were grounded, reducing air particulate pollution.
@1:16 I can tell you without watching what our main problem is, The Vast root systems around the world of the trees we cut down has lost most of that water content. A LOT of TREES. The cattle farming and need for infrastructure killed america and australia
It's rather tragic how many 'can't be bothered' if they don't receive affirmation within the first 5 minutes.
Thank you Astrum..... ✌
Great content, always was.
Keep on. 😃
So, if the milankovitch cycle had continued normally, we would be fucked. Because we intervened, we’re fucked.
Anyone else notice a pattern emerging?
Shut up and vote for Socialism or whatever.
I think the main difference is the change predicated by Milanković cycles, can take thousands if not tens of thousand of years. What is happening now is taking a few hundred.
@@sugarloafoutdoors7601if the world changes in a thousand years it will have no meaning for me as to predict that far into the future is impossible to do, (science fiction speculation), likewise in a hundred years, (imagine the poor souls confusion if you bought a person born in the early last century into today), try to imagine a world your grandchildren mature in, once again SF speculation, not saying pollution control shouldn't be undertaken but the timescale has to be relevant to people today, the climate activists have warned about imminent deserts and ice ages within my lifetime, non of which have come about, knocks the street cred somewhat, making it difficult to put too much faith in any of the big claims.
Yep. We're fkd.
YYYYyyyyep, ... gotta reduce all the carbon.
.... btw *YOU* are a carbon based life form, _who emites Carbon_
I hate to be a downer but this video is two months old and in the past week they’ve announced a dramatic changes to the AMOC
if you think that's a downer, just read this comment section. half these regards are convinced the video is lying, and the other half is vowing to actively make the situation worse purely through obstinacy.
@@xtrafunkwe have the wrong boogie man. CO2 is a greenhouse gas sure. So is water vapor. Water vapor is 7x as good at trapping heat than CO2.
The vast majority of our power grid burns something to force water vapor through a turbine. CO2 is a contributing factor, but water vapor is the man holding the murder weapon at the end of the day.
It is far less disruptive to the economic status quo to pull you out of your car and make you ride a bike than it is to never pour concrete or not virtue signal with a wind farm that generally nets negative production on the power grid and are toxic waste products.
Living near a wind farm for a decade and most of the turbines aren't running, I also recently learned that they take energy from the grid to spin up to speed BEFORE they start to generate anything, compounding their net negative output.
The rate of sea level rise has doubled in the past 2 decades. Now it is a bit more than 5mm a year.
There's no way to measure it.
@@EnthusiasticTent-xt8fh
Yes there is. They do it very precisely from satellites using laser technology.
@@jockyoung4491 No, they don't.
@@EnthusiasticTent-xt8fh Satellites do the measuring
@@EnthusiasticTent-xt8fh Why do they say they are measuring sea levels and present their measurements on graphs going back decades now? Do you think it is all a big con? Do you doubt the science of satellite measurement. At Greenhouse 87 in Melbourne satellites were good enough to do a lot of measurement but in those days there were issues with 'ground truth' to calibrate what was being seen.
Cheers Alex & team ❤
what a lovely report im looking forward for the future
What's really scary is how quickly Greenland's glaciation is melting, and it's accelerating.
To puts things in perspective, it took tens of thousands of years for the Laurentide Ice Sheet to be completely melted because that warming was a hundred times slower than what's happening now. The remains of that ice pack are now on Greenland, but it will take another 1500 years or more to melt; that is very quick in geological time, but the concern now is, the first 5% of that ice melting makes a mess in the sea level cities.
Is it hell.
@@marcbiff2192 ?
What's most scary is that all the people who believe they should be controlling climate change are advocating for changes that will kill billions instead of just killing themselves.
If you believe in climate change, you support genocide and oppose self-sacrifice.
Weird... If you look at an interglacial chart we haven't crested the top yet of the current warming cycle. We have a few degrees higher to go and a couple hundred years to get there before we start down the other side towards a new ice age. For those of you in The peanut gallery. And ice age is a bad thing. That's when extinction events happen. There ain't no deserts around the equator and generally the world likes heat
"The world likes heat" - well said. We have temperatures going above fifty degrees in the capital, so the problem is that most people aren't equipped with acs. Cemented infrastructures and pitch roads are probably not deserts but the heat generated - wuff!
"Other side of new ice age" - Nice, I like how you made a quick leap there. This guy in the video found it hard to predict what would happen in 2100 and you were able to determine nevertheless about the next ice age.
I like your style of looking at things, you give me hope in humanity's sensibility.
Ice ages have been cyclical for millenia. Are you suggesting we intervene in the natural cycle to prevent ice ages? Something like... anthropogenic global warming?
@@jsonjsoff "Cyclical for millenia" - Proof beyond reasonable doubt based on observable trends is one way of looking at large time scales, but the interpolation is a long shot. Didn't say it wouldn't happen, but there is a possibility where the atmosphere heats up too much for ice to form. Or say the atmospheric layer runs haywire and the Earth's water is flung into space. These are some of the catastrophes that you may consider before coming to a conclusion that "what's bound to happen will happen" based on your deduction of "what's bound to happen".
ONE PIECE FANS!
Vegapunk:- "The World is Sinking"😬
True! We must stop the world government from raising the water any higher!
"Those given Life by their roots, are held to perish by them."
Excellent phrasing.
I really enjoy Astrum.
I’m of the mind that if it weren’t for the Moon the Earth would not have such a balance in the ocean. Of course with the exception of when our orbit takes the higher plane and everything gets icy.
3:45 the last ice age isn´t over yet so we can not enter the next ice age. you messed up something.
The last ice age ended over 8000 years ago, and the climate has been fluctuating slightly ever since. Right now we are accelerating the rate of change.
Ice Age 7 is still in production so both of you stfu and be patient. it will be arriving in your favourite streaming service soon xx
@@jockyoung4491nope, current state of our planet is ending ice age
@@rudolfsykora3505
Look at a graph. The temperature coming out of the last ice age peaked over 8000 years ago and has not gone significantly above that since. Until now.
@@jockyoung4491 Not much actually, non anthropogenic global warming accounts for 90%(but this is never reported) as the figures are being massaged into a narrative to sell electric cars. The truth is that the 90% is us leaving the ice age(we didn't leave it 8000 years ago), so what we are experiencing is basically entirely natural and some scientists believe we are going to go straight back into another ice age anyway.
Oh no a typo - Antarctic*
AntARTic means… against art?
@@paulendry6398That would be Antiartic.. LoL
What role does the Earth's wobble have to do with the warming trends? 26,000 year wobble cycle, doesn't that line up fairly close with the Milankovitch cycles and glacial cycles?
We also have the magnetic poles reversing at reasonably regular cycles, does that effect climate and if so how and to what extent, we are apparently due another one, in geophysical terms it's imminent, however soon that may be.
The curiosity is, the highest temperatures recorded across America, happened during the 1930's. These records still stand today & were before mass production processes were developed and before the proliferation of motor vehicles, heating systems and aircon for commercial building and homes. It also pre-dates mass travel by air, seaor land. The 'anomoly' used as the base for measurement and comparisons since, are from 1860, when the world was still emerging from the little ice age. This is a political project, not scientific
@johnmurphy4814
Sure. There WERE some high temps in many places in the US in the 1930s.
But the TREND then wasn't to warmer temps consistently, like it is now.
There were ANOMALIES and there always will be.
Temperature and HEAT are not the same thing.
Think of Temperature as a linear measure. HEAT by that idea is a measure of VOLUME!
So if the weather stays consistently warmer, but no extreme temperatures, there will be MORE HEAT in the environment. This translates to warmer air which can then absorb more water into it. This is NOT humidity! Think of humidity like temperature.
Water is an even MORE potent green house gas so even MORE heat is reflected back to earth via the atmosphere.
We are at over 400ppm carbon dioxide now. It was only about 300ppm in the 1930s.
So it has gone up substantially in less than 100 years.
And don't talk about "how small" a ppm is. It is NOT the specific number it is the potency of the value PER the attribute measured.
Water can absorb about 4 times the heat that carbon dioxide does.
So for the SAME capacity, it only has to be at 100ppm.
Methane is about 10 times the heat capacity of carbon dioxide. So it only has to be at 40 ppm.
Melting permafrost in Arctic land is releasing methane.
Greenland and Antarctic ice sheets are melting at an unprecedented rate.
Mountain glaciers all around the world have retreated enormously in the past 50 years.
The first thing that's going to happen is war over water as about half the world relies on mountain glaciers to keep a constant supply of water.
Your inability to understand all of this DOES NOT make it political. You just don't want to accept what the DATA tells us because that would mean you have to change your life style.
And DO some of your own research! Go find out WHY we know that the increase in carbon dioxide is human burning of coal and oil. Initially it was wood in the 1750s or so. But it changed to coal for about 150 years and then to oil AND coal the past 130 years or so.
The enormous swaths of burning forests these past 10 or so years can be seen via this same metric. We KNOW that excess carbon dioxide from burning forests has gone up recently too.
There really is a SMOKING GUN for that!
Go! Go and learn!
@@rickkwitkoski1976 Oh dear, you do have it bad. Your maths don't even work but you're panicking about something that happens naturally. Temperatures have NOT risen in any consistent manner greater than before mass manufacturing and a world population half of what it is now. You're also ignoring the fact that the world has 'greened' by nearly 20% over the last 3 decades, entirely enabled by extra CO2 in the atmosphere. Doubling CO2 results in almost doubling crop yields with no extra fertilizer. You're the one who needs to learn - not to panic over something that's actually better for feeding people. Concentrating on a narrow band of misinformation isn't going to help you. FYI due to the characterisitics of CO2, the increase mechanism is very limited, due to the very narrow band of radiation that it absorbs in the first place. The impact of doubling CO2 is also logarithmic, not linear, limiting it further still. On the tail of that, heat is also escaping the atmoshpere at a far higher rate that previously claimed, due to many factors. You otherwise rely on nonsense, the Antarctic ice is gaining mass on one side far faster than it is melting. Greenland, back in the days of the Vikings, was ACTUALLY 'green'. There are a huge number of farms under the current snow, previously farmed by the Vikings for centuries because of the Medieval warm period, but abandoned directly because of the 'Little Ice Age'. Maybe look into the physics and historical facts instead of your alimentary canal.
Fascinating as ever. Thank you
Fascinating presentation thanks xxx
For all those thinking that ice melting in a cup of water does not raise the level, there are 2 things:
1. Greenland and Antarctica are landmasses. Any ice being added to water can raise the level.
2. As the video mentioned, plate tectonics plays a role here. As the weight a plate bears decreases, the plate will rise, and some other plate will sink. Though this is not enough to trigger earthquakes, it is enough to rise/lower the sea level significantly.
3. Even in the ideal case where all ice would be present only in the water, and plates would not exist, the melting of ice would still release prehistoric organisms and chemicals trapped in it over many years.
So yes, melting of ice is a big concern, as it is currently accelerated by humans. People saying that 'government' is trying to control us are just fear-mongering (though greenwashing is still equally deadly, and ruins the reputation of actual environment conservation efforts).
Pseudo
Let me start with #2 - Plate tectonics take hundreds of thousands of years to notice. #1 Yay-saying. You list the fact that two areas are landmasses, then just claim that adding ice to water raises the the water level. Yet the "ice" is already in the water, it is not magically spawning as if in a video game. Finally #3 those organisms are long dead. The only accurate thing you did post is the chemical would be released, but of course YOU have no idea what those chemicals are, or in what concentration since actual scientists can only predict both of those variable. So please stop pretending you understand these topics because you read a wiki page. The melting of ice has been going on for four decades and has yet to raise the water level AT ALL. Beach front property along the East and West coast of N. America, on average (some areas do fluctuate, but they average out over the entire continent) has not been disappearing or else the communities would be moving inland.
The sea level stays the same. It is only the rising and falling land masses that change.
As a sea farer you shoulld know sea levels are unevenly distributed around the planet due to local terrain, distance from the equator, and uneven patterns of ocean expanding. Obviously where you anchor often, the land is rising at the same rate as the ocean.
And the earth is expanding like an inflating Baloon as concecuence.. . 😐
@@rastrisfrustreslosgomez544 As the ice melts from the poles, it changes Earth's mass distribution, making it more spherical. This results in more sea level rise at the equator. So for now there actually are some places that stay roughly the same because the ground is moving up.
@@JB52520 that is just not true. All the water mass in the world is neglible to the overall mass of the earth. Even if all the poles were to melt away earth Will remain largely the same shape since it's such a neglible mass by comparison. We call it planet earth but I think planet iron is way more appropiate
@@JB52520 that is not true. All the water mass on the whole world is neglible when compared to the overall mass of the earth. That means that a change in water distribution is neglible to the overall shape of the earth
@@rastrisfrustreslosgomez544 We don't need to think of the mass of the planet, only the crust, as it is floating itself. Any land that has been covered in thousands of metres of ice, has enough mass on it to be depressed downward, and consequently return upwards when the ice retreats. I believe there is a lot of land still rebounding from the last ice age.
VEGAPUNK WAS RIGHT THE WORLD IS SINKING
😂😂😂
Great visuals in this presentation and nuannced overview
Did you say "Entangled FAUNA"? I asked Ai to draw me a picture of "entangled fauna", & then the nightmares started.