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.
As California grapples with drought, the world's biggest food company gets away with carting off its water.
Budget cuts at federal agencies are helping companies get away with more than 99 percent of the environmental crimes the government knows about.
Dick Cheney's eldest claims that the EPA and the Clean Water Act pose "a much greater threat" to America than global warming.
Some states think that the new national standards for the science curriculum go way too far when it comes to teaching kids about climate change.
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.