The ice sheet covering Greenland is four times bigger than California -- and holds enough water to raise global sea-level more than twenty feet if…

The Arctic’s frozen ground contains large stores of organic carbon that have been locked in the permafrost for thousands of years. As global temperatures rise,…

Klaus Jacob, a German professor affiliated with Columbia’s University's Lamont-Doherty Earth Observatory, is a geophysicist by profession and a doomsayer by disposition. I’ve gotten to know…

It’s official: 2015 was the warmest year on record. But those global temperature records only date back to 1850 and become increasingly uncertain the further…

One way or another, humans are to blame for the catastrophic drought in California that scientists say may be emerging as a “new normal”. Either…

Droughts in the U.S. Southwest and Central Plains during the last half of this century could be drier and longer than drought conditions seen in…

The increasingly frequent and severe droughts that have punished California over the past two decades—including the current record-breaking one—are primarily the result of human-caused climate change and…

UNITED NATIONS, Mar 2 2015 (IPS) - Was the four-year-old military conflict in Syria, which has claimed the lives of over 200,000 people, mostly civilians, triggered…