Columbia University

Overuse of water threatens global food supply

Famine and starvation today threaten over 20 million people in four countries—Syria, Yemen, South Sudan and Somalia—the globe's largest humanitarian crisis in over half a century, according to the United Nations. Though ...

dateMay 09, 2017 in Environment
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Under the dead sea, warnings of dire drought

Nearly 1,000 feet below the bed of the Dead Sea, scientists have found evidence that during past warm periods, the Mideast has suffered drought on scales never recorded by humans—a possible warning for current times. Thick ...

dateMar 22, 2017 in Earth Sciences
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Will China take the green mantle from the U.S.?

In the face of Donald Trump's campaign promise to pull the United States out of the Paris climate accord, China's President Xi Jinping told the U.N. in January, "The Paris agreement is a milestone in the history of climate ...

dateMar 10, 2017 in Environment
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