Scientists this week will present papers detailing new harmful effects of bisphenol A (BPA), an estrogen-mimicking chemical used in baby bottles and many food cans.

Persistent organic pollutants from thousands of miles away accumulate to unusual levels in the bodies of the indigenous peoples of the Arctic.

"In the future, keeping your gas tank full could make disputes over water in the American West a lot worse. It's because energy companies hope to develop the oil shale industry. Getting oil from shale requires lots of water, and the richest oil shale deposits happen to be in the dry state of Colorado."

"The Supreme Court refused Monday to hear a Marine's lawsuit blaming the government's dumping of toxic chemicals at Camp Lejeune in North Carolina for his son's illnesses."

"Lyme disease is moving its way into new parts of Canada but the government is not doing enough to track it or to teach doctors how to diagnose it, says a new report."

"President Obama's nominee to lead the Forest Service and farmland conservation programs says he withdrew his name from consideration for family and financial reasons."