"CHARLESTON, W.Va. -- Federal and state investigators learned Tuesday that an additional chemical that wasn't previously identified was in the tank that leaked Jan. 9 at the Freedom Industries tank farm, just upstream from West Virginia American Water's regional drinking water intake."

"West Virginia's governor on Monday proposed legislation to regulate above-ground storage tanks, a move that comes after a spill of coal-processing chemicals shut off drinking water to about 300,000 people."

"CHARLESTON, W.Va. -- Gov. Earl Ray Tomblin on Monday told 300,000 state residents that they should make their own decisions about using water from West Virginia American Water's Elk River plant in the wake of this month's leak of the chemical Crude MCHM."

"The neat, modest homes of Cannon's Campground and Bellview Acres conceal tales of frustration and heartbreak."

"There are more than 80,000 chemicals in the United States catalogued by government regulators, and the health risks of most of them are unknown."

"Snow flurries rode a faint chemical breeze across Red Lion Creek marsh near Delaware City on Thursday as Environmental Protection Agency contractors maneuvered a sediment probe across cold muck and crackling reeds."

"Gaps forming in seasonal Arctic sea ice may be creating a toxic conveyor belt, drawing mercury from higher altitudes to rain down on the ice, snow and tundra, according to a new study."

"The Centers for Disease Control and Prevention is urging pregnant women who live in the areas of West Virginia where a toxic chemical leaked into the water supply last week to drink bottled water, even in places where the no-use ban has been lifted. The move comes 'out of an abundance of caution,' the CDC and the state's Bureau of Public Health say."