Methane emissions from cows and pigs had a surprisingly large impact on climate change.
Fossil fuels are shifting away from national forests and other public lands because of coincidence of geology.
Track Tropical Storm Arthur's progress to see if your Fourth of July weekend is in jeopardy.
Neither New York City nor Boston has recorded a 90-degree temperature yet this summer, surprisingly late.
A Cornell University study says shale gas well defects lead to methane leaks in Pennsylvania.
The Orbiting Carbon Observatory-2 will measure CO2 in Earth's atmosphere and help find sources and sinks.
A storm sitting off Florida's coast is likely to become the first tropical storm of Atlantic hurricane season.
The biggest CO2 emitter won’t need to make the biggest emissions cuts under the EPA's Clean Power Plan.
CO2 concentrations in the atmosphere have been above 400 ppm for three months in a row for the first time.
A new analysis shows when summer reaches peak heat across the U.S.
A sudden, heavy downpour in Recife, site of today's crucial U.S. soccer match, has left the city flooded.
Graphics from a new report show just how much climate change will cost U.S. and what regions will lose the most.
Texas' wind farms set a record in March for the most wind power the state has ever produced.
A report chronicles how eating insects could cut greenhouse gas emissions. Here are 4 quick recipes.
May 2014 was the warmest May on record. With a developing El Niño, 2014 could be the warmest year.
A new study looks at how waves in the atmosphere affect extreme weather around the northern hemisphere.
A satellite orbiting nearly 36,000 miles above the Earth's surface captured a great solstice preview.
The EPA is kicking off a four-month public comment period on the Clean Power Plan.
A regional look at how summer temperatures have been steadily rising across the U.S. since 1970.
A Princeton University study finds that abandoned oil and gas wells could be a major source of methane emissions.