Making sure the Clean Water Act covers small streams and headwaters would protect the drinking water of millions of Americans.

January 28, 2015

On the trail of the "Windsor hum," a mysterious noise that’s making Canadians crazy.

December 11, 2014

Looking for another reason to worry about fracking? We're going to bubble-wrap the entire planet with the overabundance of plastic it produces.

December 11, 2014

Ten things you probably don’t know about America’s favorite holiday bird.

November 27, 2014

Could climate change be to blame for record-low U.S. temps?

November 15, 2014

The U.N. created the Green Climate Fund to help developing countries get off fossil fuels. Five years on, the money is finally starting to flow.

November 14, 2014

If built, the Keystone XL pipeline would end in one toxic town.

November 13, 2014