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Audio/Video: Environment

Urban farming utopias have been envisioned for decades—feed our urban dwellers by growing food vertically close to the... See more
Welcome from David G. Bradley and Walter Isaacson A Conversation on the Future with Astro Teller, Captain of Moonshots... See more
The Aspen Ideas Festival's signature event hosts an audience of 2,000 in the Benedict Music Tent. Big thinkers and... See more
Some three billion people use biomass fuel – typically from wood, crop residues, or animal dung – to cook indoors in... See more
Meat production requires far more water, grain, land, and fossil fuel than anything else we eat – for example, one... See more

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