A new study from the National Center for Atmospheric Research in Boulder predicts more rainfall on fewer, concentrated days leading to more intense flooding.
In the United States, Brazil and China, at least two-thirds of the barley grown goes into six-packs, drafts, kegs, cans and bottles.
A United Nations report out this week said the world is due for "rapid and far-reaching" changes by 2030 because of global warming.
Between 1885 and 2010, National Park areas warmed about 1 degree Celsius, while the nation as a whole warmed just 0.4 degrees Celsius.
Wirth first became involved with climate change activism through his friendship with another early believer, Carl Sagan.
Katharine Hayhoe is a climate scientist and evangelical Christian who uses academics and YouTube to communicate on the polarizing topic.
Mark Serreze details his research trips in the Arctic and his change of heart in his new book, "Brave New Arctic."
A new CU Boulder study reveals more similarities than differences in how the parties view climate change issues.
"We knew that if we put it on our school and we got the word around, then other schools would do it," says a student at Mackintosh Academy.
- The new target was submitted to the UN Framework Convention on Climate Change Tuesday. It is part of a plan for a new international treaty to be hammered out in December in Paris.Read More