Fossil fuels will still be the dominate energy source on the planet in 2040, a U.S. government forecast shows.
The strong El Niño in the tropical Pacific contributed to lower energy demand in the U.S. this winter.
Identical data yield drastically different conclusions about the role nuclear will play in meeting climate goals.
Whatever the fate of the president's most sweeping climate policy, electric companies are looking beyond coal.
Low oil prices and the loss of a contractor have forced a Utah oil sands project to slow to a near halt.
The amount of electricity generated from coal in the U.S. slid to its lowest level since the 1970s in November.
The Obama administration has temporarily halted coal leasing on federal lands to address climate change.
A Berkeley National Laboratory report shows state electricity goals making a small dent in U.S. carbon emissions.