Experiments by Google, Environmental Defense Fund, and university scientists reveal the huge amounts of methane that leak from pipelines beneath some cities.
The president has unveiled a number of initiatives to help communities and citizens adapt to changes in the weather.
After calls for voluntary conservation didn't work, the drought-stricken state is cracking down on profligate water use.
Budget cuts at federal agencies are helping companies get away with more than 99 percent of the environmental crimes the government knows about.
Efforts to protect U.S. panel manufacturers from cheap Chinese imports have run afoul of the World Trade Organization.
The drought and overuse of Colorado River water has led to an epic decline in water levels at Lake Mead.
The EPA is well within its rights to regulate mountaintop-removal coal mining, a federal appeals court decided.
Japan and China want to buy gas from Siberia, so shipping companies are going to take a shortcut through melting ice.
A new analysis finds that flooding from storm surges is getting worse as sea levels rise.