How do you clean up a contaminated river?
August 13, 2015, 10:10 a.m. by Stephanie Pappas, LiveScience
Officials are working to stem the flow of heavy metal-laden wastewater in Colorado.
'Safer' plastics linked to health problems in kids
July 10, 2015, 4:10 p.m. by Agata Blaszczak-Boxe, LiveScience
Why the chemicals are harmful isn't clear, but research show they could alter some genes.
When common chemicals are combined, does your risk of cancer go up?
June 29, 2015, 3:01 p.m. by Mary Jo DiLonardo
Global research team looks at exposure to mixtures of everyday substances.
Four in 10 in U.S. live with dangerous air pollution
April 29, 2015, 11:44 a.m. by Mary Jo DiLonardo
American Lung Association's annual report looks at soot and smog — and many cities don't fare well.