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.
Carbon emissions could be dramatically cut with a new power grid based on renewables, a new study says.
The federal government is proposing new rules for cutting methane emissions on public and tribal lands.
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.
New commitments to renewables and the rippling effect of oil prices could dominate energy news in 2016.
A look at the biggest energy stories of 2015 — a year in which world leaders agreed to cut carbon emissions.
The federal government's energy consumption has reached its lowest level in 40 years.
Per capita carbon emissions are falling, but Wyoming's are still seven times the national average.
The U.K. plans to close all of its coal-fired power plants by 2025 to address climate change.
An International Energy Agency report shows that a global transition to cleaner energy is underway.
The federal government's signature climate policy is now open to legal challenges.
China announced the world's largest cap and trade program on Friday, in a step toward tackling climate change.
Global nuclear power generation capacity could increase by more than 45 percent in the next 20 years.
U.S. power plants emitted less carbon dioxide in April than at any point in the prior 27 years.
Report shows renewables supply more electricity than nuclear in eight major world economies.