Extreme high or low oil prices could prevent countries from keeping global warming from exceeding 2°C.
Falling carbon emissions from the electric power sector could help states meet their climate goals.
The EPA announced new methane emissions regulations for oil and gas operations on Thursday.
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.
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 United States and 22 other countries agree to cut airlines' emissions over the next 12 years.
Dutch lawmakers are worried that subsidizing wood fuel will extend the lives of coal power plants.
American manufacturers complained that U.K. subsidies for wood pellets are pushing up their costs.
The amount of electricity generated from coal in the U.S. slid to its lowest level since the 1970s in November.
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.
The federal government's signature climate policy is now open to legal challenges.