How compost is made: Calgary's Green Cart Program
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- Опубліковано 19 бер 2019
- Find out how yard waste, food scraps and pet waste is turned into nurtrient-rich compost in just 60 days and has lead to an almost 50% reduction in the amount of residential material ending up in the landfill.
How do we remove contamination?
Why is our process so fast?
How do we know it's safe to use?
What do we do with biosolids?
How do we manage odours?
How do we know it's safe to use?
Learn more about our Green Cart Program, how to use your green cart and more at calgary.ca/greencart
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I'm glad to see how non-compostable items can still be pulled out easily - I'm constantly worried at my apartment that my efforts of composting will be wasted due to neighbors misusing the bin. Often I'll pull out plastic bags people have put in (which I'll continue to do), but now I don't need to stress as much about missing anything!
Great city of Calgary 👏👏👏👏
Great video City of Calgary! I appreciate the thorough and simple explanation of the processes in this one, as well as the preceding one "Too Good To Waste" . I work as an Energy Manager in BC, and would be interested to get in touch with your production team. We would like to create something similar for the work we are doing. Thanks!
this is so lit lets getit oh ywash
Cool
My initial thought is pet waste would not be good in compost that is later used to grow food. Is it ok because it is "diluted" with so much other product. Or pet waste is just the same as cow manure?
Hi Katherine, The City’s indoor composting facility is able to handle more materials like pet waste because it can maintain sustained temperatures at 55 degrees C to break down harmful bacteria. Watch sections 1:30 - 3:20 to see how the process works. Many other municipalities accept pet waste for composting as well. The finished compost is tested to meet Category A standards and is safe to use on vegetable gardens. You can learn more about the composting process at www.calgary.ca/UEP/WRS/Pages/Recycling-information/Residential-services/Green-cart/Green-Cart-organics-composting-facility.aspx.
It is so important to understand that sewer sludge aka biosolids is NOT just human excrement - it is a concentration of all domestic and industrial pollutants that go down drains and sewers. It has some good stuff in it, which plants can use, but a huge load of thousands of other contaminants. Please read what independent scientists have to say on this issue -
Prof. Murray McBride, Cornell University - "Agricultural soils are a unique and valuable resource. Protecting agricultural soils requires anticipating and avoiding potential harms since once contaminated with persistent pollutants, the damage will remain for the foreseeable future." ... "Is it reasonable to conclude that there is little or no risk of land-applying a material (biosolids) containing unknown concentrations of thousands of chemicals with undetermined toxicities?"
Prof. Jordan Peccia- Yale University - "Land application is often accompanied by strong odors, and biosolids contain heavy metals, hazardous organic chemicals, microbial pathogens, and antibiotic resistant bacteria ... A recent study found more than 27 different forms of human viruses in the sewage sludges of five large U.S. cities, ranging from Adenovirus to Corona virus ... Metals and organic chemicals that resist biological mineralization can sorb to solid particles and also accumulate in sludge. These include polybrominated flame retardants, pharmaceuticals like Prozac and Tagamet, human hormones such as estrogen, antibiotics, narcotics including cocaine, and the metabolites of these compounds."
Dr. Sierra Rayne - "The science doesn't support the disposal of sewage sludge across the landscape. The supposed benefits are more than offset by the risks to human and environmental health. As scientists, we have been watching the issue with increasing concern. An unimaginably large number of chemical and biological contaminants exist in these materials, and they persist in the product up to, and after, land disposal. Scientific investigations have identified only a tiny fraction of the total contaminant load. We cannot even say with any degree of confidence what the true range of contaminant risk is from the sludge ... Governments are playing Russian roulette with sewage sludge. Over time, there is a high probability this game will be lost at the public's expense."
Brian Bienkowski (Scientific American - May 12, 2014) - "Sewage sludge used as fertilizer on farms can leave traces of prescription drugs and household chemicals deep in the soil, according to a new study by federal scientists. The findings suggest that the widespread use of biosolids could contaminate groundwater near farms with a variety of chemicals, including anti-depressants such as Prozac and hormone-disrupting compounds in antibacterial soaps ...The researchers looked for 57 “emerging” contaminants that are increasingly showing up in the environment. Ten were detected in the soil at depths between 7 and 50 inches 18 months after the treated sludge was applied. None was in the field’s soil beforehand... Other studies have found hormones, detergents, fragrances, drugs, disinfectants, and plasticizers in treated sludge used as fertilizer. But this is the first study to show how they can persist and move in soil."
Dr. Richard Honour - ""Few in any governments appreciate that nearly all chronic diseases are caused by long-term exposure to low levels of environmental contaminants and pollutants. We should be trying to minimize this exposure, not amplifying it. It is time to end land disposal of Toxic Sewer sludge, and look at cleaner, greener alternatives - gasification / pyrolysis."
Let's get on the right side of history, and use this waste resource to make energy. It is time to stop covering Mother Earth with our cities' toxic sewage.
Prominent Scientists and Universities outline the Dangers of Biosolids -
1. Canadian Scientists - bit.ly/1sb2qOP
2. UK Scientists - www.sciencedirect.com/science/article/pii/S0160412018317318
3. USA experts say - biosolidsbattleblog.blogspot.com/2018/10/what-experts-say-about-sewage-sludge.html
4. USA - on regulatory failures and risks - bioscienceresource.org/sewage-sludge-biosolids-land-application-health-risks-and-regulation-2/
5. Overview of the issues - bit.ly/2kehQlP by Dr. Thomas Maler
6. Ten Toxic Truths By Professor Marc Cohen - www.organicgardener.com.au/blogs/ten-toxic-truths
7. www.indyweek.com/indyweek/a-free-fertilizer-for-farmers-sludge-can-pose-health-and-environmental-risks/Content?oid=1562962
8. biosolidsbattleblog.blogspot.com/
9. Documentary - www.brighteonfilms.com/Biosludged
10. Interview with Sewage Sludge Fighting HERO … Dr. Caroline Snyder - www.brighteon.com/5973187121001
11. UK Scientists - www.wte-ltd.co.uk/sewage_sludge_biosolids.html
Don’t get this years compost. Will be full of engine oil residue
shoutout to mr.bard for completely butchering the link to this video ( ua-cam.com/video/NGopFxRsQWg/v-deo.html&feature=emb_logo )
wait what how does it work now
If this expensive compost is so great, why aren’t the lab results made easily accessible to the citizens of Calgary?
I still resent the fact that we we’re forced to pay for an extra cart(eyesore) and the city sells that compost to farmers and other agri-businesses, without returning some of that profit back to us.
Those carts decorate most driveways (disgusting) and stink btw.
Lower our property taxes if you really care about your citizens.
All compost is tested to ensure it meets the Category A standards as outlined by the Canadian Council of Ministers of the Environment - you can read the full outline here: www.ccme.ca/files/Resources/waste/organics/compostgdlns_1340_e.pdf
Any proceeds from the sale of compost is put back into the green cart program. A program fee is still needed as this does not cover all aspects of running the green cart program. Compost is also provided at giveaway events in the spring to Calgarians.
Any revenue generated goes to offset the cost of this entire process. Having lived in an area in the States where I was often near a landfill, Calgary's green cart program is so much better than the alternative of having more landfills.
I’m not disputing the program. I’m definitely on board with recycling. I’m expressing my unhappiness as to how this program was implemented and how that compost is high in salts(not so great for your garden).
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I might add that if the city was so concerned about the environment, why do backyard fire pits still exist within crowded city limits? I don’t particularly relish breathing in others people’s smoke. This city has a lot if double standards.
@@gardeninspo7351 A bit of smoke from woodfire now now and then doesn't cause any harm.
@@gardeninspo7351 Have you considered moving to the country where you nearest neighbour is miles away?
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