Columbia University

Did climate change help spark the Syrian war?

A new study says a record drought that ravaged Syria in 2006-2010 was likely stoked by ongoing manmade climate change, and that the drought may have helped propel the 2011 Syrian uprising. Researchers say the drought, the ...

dateMar 02, 2015 in Environment
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Tackling an Ice Age mystery

In the northern hemisphere, ice sheets ebb and flow in 100,000-year cycles, driven by varying amounts of sunlight falling on Earth's surface as its orbit and orientation toward the sun changes. But astronomical variations ...

dateSep 05, 2013 in Earth Sciences
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Volcanoes have shifted Asian rainfall

Scientists have long known that large volcanic explosions can affect the weather by spewing particles that block solar energy and cool the air. Some suspect that extended "volcanic winters" from gigantic blowups helped kill ...

dateNov 03, 2010 in Earth Sciences
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New tool makes online personal data more transparent

The web can be an opaque black box: it leverages our personal information without our knowledge or control. When, for instance, a user sees an ad about depression online, she may not realize that she is seeing it because ...

dateAug 18, 2014 in Internet
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