The two states are leading the U.S. with ambitious new standards governing their electricity supplies.
Alaska's raging start to wildfire season is bad for trees, but the soil they grow in is a bigger climate concern.
Oil and gas fracking uses more and more water each year, but it varies widely from region to region.
Alaska, the great northern frontier of America, is being reshaped by climate change.
Developers and government officials are optimistic offshore wind farms could spread along U.S. coastlines.
For most of the nation, summer weather has been changing in ways climate scientists say are consistent with what they’d expect in a warming…
A novel project has researchers turning tweets into flood maps that will help disaster responders.
The U.S. EPA took its first steps Wednesday toward regulating greenhouse gas emissions from commercial airplanes.
Paris climate talks are six months away. There's a lot of goodwill but also a lot of hurdles for a good deal.
A new report says the U.S. can just make its climate goal, but more needs to be done.
A drought-amped wildfire season will severely test the West's ability to live with an ancient threat.
Mount Everest and the surrounding peaks could lose nearly all their glaciers by 2100 says new study.
Two U.S. Dept. of Energy maps show how wind power will grow across the U.S. by 2050.
In the aftermath of the Nepal earthquake, the arrival of the South Asian monsoon poses new problems.
The Kansas renewable power mandate may become a victim of its own success.
Canada plans to cut its greenhouse gas emissions 30 percent below 2005 levels by 2030.
New York cites climate, pollution and earthquake risks as major uncertainties swirling around fracking.
Combining 13 years of global cloud data leads to one spectacular image of our planet.
Deep ocean inlets account for about 11 percent of the carbon locked away in marine sediments each year.
U.S. energy consumption, greenhouse gases and the economy are no longer growing together.