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.
Temperatures we think of as normal are getting warmer.
With the streak of record-warm months continuing, 2016 is looking likely to become the hottest year on record.
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.
While there are fewer days each year with tornadoes, on average, the number of days with more than 30 tornadoes is increasing.
Two researchers say taking smaller steps could be the best way to achieve international climate cooperation.
A new graphic shows Earth's temperatures spiraling toward the 2°C global warming limit.
More natural gas is coming from fracking than ever before, and much of it is being used for electricity.
Warm weather out West has pushed the Lower 48 to its second warmest January through April on record.
Hurricanes supercharge forests' ability to store carbon, Duke University researchers have found.
Coral reefs reduce wave heights by two-thirds on average, protecting coasts from floods and erosion.
Climate change is making wildfires like the one raging in Fort McMurray, Alberta more common.