The latest news on global warming
The Earth is likely to miss the United Nations' temperature increase goals.
Research more than 100 years old shows how much the temperature in the ocean is rising.
Support for Keystone is strong, but so is developing clean energy and addressing climate change.
Another study suggests Americans' attitudes about climate change vary with the weather.
The trouble with science is the way ideologues wield it.
Study suggests "Medieval Warm Period" occurred in only a small region.
The design of the European Trading System was deeply flawed.
Fragmented policies, mainly at local and state levels, have led to fewer carbon emissions overall.
Extreme heat waves 'track along with increases in temperatures,' experts say.
William Hohenstein says that farming in the southwest could become more difficult with global warming.