With wisdom and wit, Anupam Mishra talks about the amazing feats of engineering built centuries ago by the people of India’s Golden Desert to harvest water. These structures are still used today — and are often superior to modern water megaprojects.
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Can the interests of an individual nation be reconciled with humanity’s greater good? Can a patriotic, nationally elected politician really give people in other countries equal consideration? Following his TEDTalk calling for a global ethic, UK Prime Minister Gordon Brown fields questions from T...
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Architecture student Magnus Larsson details his bold plan to transform the harsh Sahara desert using bacteria and a surprising construction material: the sand itself.
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Rob Hopkins reminds us that the oil our world depends on is steadily running out. He proposes a unique solution to this problem — the Transition response, where we prepare ourselves for life without oil and sacrifice our luxuries to build systems and communities that are completely indepen...
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Botanist Corneille Ewango talks about his work at the Okapi Faunal Reserve in the Congo Basin — and his heroic work protecting it from poachers, miners and raging civil wars.
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Jane Goodall hasn’t found the missing link, but she's come closer than nearly anyone else. The primatologist says the only real difference between humans and chimps is our sophisticated language. She urges us to start using it to change the world.
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In this image-filled talk, Yann Arthus-Bertrand displays his three most recent projects on humanity and our habitat — stunning aerial photographs in his series "The Earth From Above," personal interviews from around the globe featured in his web project "6 billion Others," and his soon-to-...
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Extreme runner Ray Zahab shares an enthusiastic account of his record-breaking trek on foot to the South Pole — a 33-day sprint through the snow.
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The varieties of wheat, corn and rice we grow today may not thrive in a future threatened by climate change. Cary Fowler takes us inside a vast global seed bank, buried within a frozen mountain in Norway, that stores a diverse group of food-crop for whatever tomorrow may bring.
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Worldchanging.com founder Alex Steffen argues that reducing humanity’s ecological footprint is incredibly vital now, as the western consumer lifestyle spreads to developing countries.
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Accepting his 2006 TED Prize, Cameron Sinclair demonstrates how passionate designers and architects can respond to world housing crises. He unveils his TED Prize wish for a network to improve global living standards through collaborative design.
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