Feb 12, 2014 Groups say pieces of plastic -- called microbeads -- end up in our waterways
Dec 16, 2013 The United Nations is launching its largest appeal ever for humanitarian aid to Syrians.
Nov 28, 2013 Sriracha hot sauce’s unique burn has been drifting out of its factory and into the surrounding neighborhood of Irwindale, CA.
Nov 19, 2013 A byproduct of refining gasoline clouds the skies of a South Side Chicago neighborhood.
Nov 11, 2013 At MIT, a scientist is studying sea snails, and say they hold the key to "biologically inspired processing."
Oct 29, 2013 To help fight wildfires, officials often dump orange fire retardant from planes. But some Forest Service employees argue the substance doesn't work as promised.
Oct 22, 2013 The fracking boom is bringing in a surge of development -- and tax revenue -- to North Dakota. Now conservationists have a plan use some of that growth to protect the environment.
Stacey Vanek Smith
Sep 25, 2013 What more needs to be done to tackle the UN's Millennium Development Goals?
Sep 11, 2013 Golden State legislators are voting on whether to weaken a key law protecting the environment. Many say the law has been abused.