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Articles sur Climate change

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Organic vegetables at the Center for Urban Agriculture at Fairview Gardens, Goleta, Calif. Citizen of the Planet/Education Images/Universal Images Group via Getty Images

Organic food has become mainstream but still has room to grow

Four out of five Americans regularly buy some kind of organic food. An expert on the industry says more federal support could greatly expand organic farming and its environmental benefits.
Archaeologist and paleoenvironmental researcher Isaac Hart of the University of Utah surveys a melting ice patch in western Mongolia. Peter Bittner

Melting Mongolian ice reveals fragile artifacts that provide clues about how past people lived

From the high Yukon to the mountains of Central Asia, melting ice exposes fragile ancient artifacts that tell the story of the past – and provide hints about how to respond to a changing climate.

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