Martin Rees - The Future of Humanity

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This century is special. it's the first in 45 million centuries of Earth's history where the main threats come not from nature but from one species: us.
In this talk, Astronomer Royal and former President of the Royal Society Lord Martin Rees scans the horizon and reveals what the twenty-first century has in store for Spaceship Earth -- from climate change to genetic engineering, explosive population growth to space travel.

[@paultremblay4836]

We live in strange times , the first time during the total age of humanity, that people are obsessed at projecting population growth and doomsday scenario, getting worried about poor Nation's population growth increase.
Earth have plenty of food and space, the number of calories wasted in a McDonalds garbages could nourish the continent for a year

[@Bob-fz7pd]

Great comments everyone!

[@silkhead44]

does he know how much food is thrown away every year by growers and supply management?

[@chrismeys4791]

6:43 Bird choppers.

[@osmankurda8969]

It is anew era of one way direction we must obey the advice of our mother earth,either extinction like Dinosaurs or live like Lizards .if we reduce our demand we may survive.

[@bigyote]

He is so right. Manned space is nice, but a waste... let the billionaires be the first to die on Mars.

[@dan020350]

i have to trust the alliance -.-

[@MrDipanmehta]

Title: The future of Humanity

[@khshkhshkhsh]

The Hunchback of Notre Dame

[@TasteMyStinkholeAndLikeIt]

Someone get this Crypt Keeper a coffin.
His head hangs pretty low in the cartoonishly huge padded shoulders in his suit.