Latest Articles
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Ask Umbra: Which gas station is the least evil?
A reader wonders if it's possible to fuel up without letting the planet down. Umbra delivers the tough news.
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Global food waste explained (with five tomatoes)
Each year, the world produces about 1,471 pounds of edible food for every person on the planet. We only eat about half of that. What happens to the rest? This video breaks it down.
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China still leads the world in emissions, with no end in sight
With a quarter of global carbon dioxide emissions now coming from China, the world's most populous country will have an outsized influence on the future of climate change.
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Can we finally have a serious talk about population?
Alan Weisman, bestselling author of "The World Without Us," tackles the world's exploding human population in his new book, "Countdown."
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Captain Peter Willcox Is a Hero, Not a “Pirate”
Peter Willcox has seen nearly everything. In 1985, he was captain of the Rainbow Warrior when French agents bombed it, killing one of the crew. He and I witnessed first hand the impacts of the BP Deepwater Horizon Disaster in the Gulf. But he’s never seen the inside of a Russian jail, until now. Captain […]
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This website lets people buy their neighbors’ leftovers
Greek website Cookisto is linking up people who cook enough to feed an army with those who can't cook enough to feed themselves.
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These amazing photos will change the way you look at water
“While trying to accommodate the growing needs of an expanding, and very thirsty civilization, we are reshaping the Earth in colossal ways," says photographer Edward Burtynsky.
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Keystone XL could crush endangered fox cubs in their own dens
Also, make pallid sturgeon go extinct.
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This cardboard stool could be the last seating you ever buy
This eco-friendly, recyclable, chemical-free invention could be the last stool your bum ever rests on.
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The scary, the cautionary, and the stupid: Reactions to the IPCC climate report
Most smart people expressed alarm at the findings of the IPCC's latest assessment report. Climate deniers had other reactions.
