Map courtesy of Benjamin Hennig

Social geographer Danny Dorling explodes the traditional maps of the world and creates lively, ever-changing depictions of why and how we live.

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Most disasters come with heart-breaking visuals — innocent victims, burned wreckage. Our looming water disaster is invisible. Will anyone notice before it’s too late?

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How can humans survive if the world gets drier? Here’s one scientist’s answer … so-called “resurrection” crops.

Kelly Rakowski for TED

Why an environmental chemist in Holland is betting that both farming and hospitals might be improved with the use of a fancy form of water.

Alice Moynihan for TED

On a typical sunny day in the Amazon, 20 billion metric tons of water pass through the trees and into the air. This is more than just a feat of Nature — it’s at the heart of South America’s economy, as researcher Antonio Donato Nobre explains.

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How the artist Mundano uses his work to call attention to the urgency of vanishing water supplies in California.

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Journalist Rose George cares a lot about poop. But, she would argue, so should everyone. Here she gives four resources about toilets and sanitation.