Low oil prices and the loss of a contractor have forced a Utah oil sands project to slow to a near halt.
The Supreme Court halted the Obama administration's most sweeping climate change policy on Tuesday.
The United States and 22 other countries agree to cut airlines' emissions over the next 12 years.
Animals and weeds are bounding up California's warming hills, while native plants are stuck in place.
A blizzard, aptly dubbed #blizzard2016, sure took the East Coast by storm last week.
The amount of electricity generated from coal in the U.S. slid to its lowest level since the 1970s in November.
A federal coal leasing review has brought new attention to oil and gas leasing on public lands.
Carbon emissions could be dramatically cut with a new power grid based on renewables, a new study says.
Rapid warming in the Indian Ocean is playing an important role in reducing phytoplankton up to 20 percent.
The federal government is proposing new rules for cutting methane emissions on public and tribal lands.
Our Megan Martin and Greta Shum will be talking winter storm impacts live on Facebook. Join them!
The decline may help the country’s greenhouse gas emissions peak a decade earlier than expected.
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.
The Gulf of Maine could warm three times faster than other parts of the ocean, harming cod populations.
The solar power industry continued its hiring spree in 2015, growing 12 times faster than overall U.S. employment.
U.S. coal production in 2015 dropped to its lowest level in 30 years thanks in part to falling natural gas prices.
Dam building in tropical forests could harm the climate and biodiversity, a new study says.
Our chief meteorologist talks glacial melt on Good Morning America.
TransCanada is suing the U.S. for $15 billion for killing the Keystone XL Pipeline.