A new study finds that the Canadian tar sands are a major source of secondary organic aerosols.
The U.S. led the world in oil production last year for third year in a row, ahead of Saudi Arabia and Russia.
Temperatures we think of as normal are getting warmer.
Forests that regrow after being cut play an unexpectedly valuable role in sequestering carbon emissions.
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 raucous debate is swirling in Florida over plans to dredge vulnerable corals to expand a shipping port.
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.
Phasing out coal, oil and gas leasing could help the U.S. meet its Paris climate goals, a new study says.
NOAA scientists have found more gas flares in the United States than anywhere else in the world.
The strong El Niño in the tropical Pacific contributed to lower energy demand in the U.S. this winter.
A carbon tax ballot measure in Washington state is dividing the region's environmental groups.
Developing a system under which climate pledges are reviewed and improved is 'essential' for success.
The outcome of the U.S. presidential election will be critical to the success of the Paris climate pact.
Shifting diets away from meat could slash greenhouse gas emissions and curb deforestation worldwide.
Voluntary greenhouse gas accounting has become common in the private sector, but is it helping?
Cloudy cities in the northeast could be gold mines for rooftop solar potential, research shows.
Peabody Energy, the world’s largest coal producer, filed for Chapter 11 bankruptcy Wednesday.