The U.S. led the world in oil production last year for third year in a row, ahead of Saudi Arabia and Russia.
A slowdown in Atlantic currents that worsened blizzards, floods and hurricanes may have been natural.
Falling carbon emissions from the electric power sector could help states meet their climate goals.
A powerful link has been found between the biodiversity of a reef and the size of the fisheries it supports.
Marshes are used to reduce flooding, and new research shows how they could flourish as seas rise.
Carbon dioxide levels are nearing their annual peak, and they may not dip below 400 ppm again.
Forests that regrow after being cut play an unexpectedly valuable role in sequestering carbon emissions.
Climate change's combined effects of falling oxygen levels and rising acidity threaten ocean wildlife.
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.
Two researchers say taking smaller steps could be the best way to achieve international climate cooperation.
A U.N. panel said that governments should study the worst-case global warming scenarios.
More natural gas is coming from fracking than ever before, and much of it is being used for electricity.
Hurricanes supercharge forests' ability to store carbon, Duke University researchers have found.
Our report examined intensity and duration of the heaviest runoff events for each state.
A large majority of states will face an increased threat of inland flooding by mid-century.
Phasing out coal, oil and gas leasing could help the U.S. meet its Paris climate goals, a new study says.
Global warming is reducing oxygen supplies for marine wildlife along the West Coast and elsewhere.
U.N. report warns heat stress suffered by workers will devastate health and reduce productivity.
NOAA scientists have found more gas flares in the United States than anywhere else in the world.