National (U.S.)

"The level of inorganic mercury in the blood of American women has been increasing since 1999 and it is now found in the blood of one in three women, according to a new analysis of government data for more than 6,000 American women."

"Getting involved in a social or environmental cause these days is as easy as clicking your mouse." Are we becoming a nation of slack-tivists?

"The shipping industry is an invisible and nearly unregulated environmental disaster."

"Indiana and Kentucky are the nation's top two states for coal ash ponds — and many of the holding basins for the toxic mess were built without the guidance of trained engineers, according to new information from the U.S. Environmental Protection Agency."

"Carbon dioxide will soon be declared a dangerous pollutant - a move that could help propel slow-moving climate-change legislation on Capitol Hill, the head of the Environmental Protection Agency said Monday."

"U.S. Senate Democrats announced on Monday a new delay on climate change legislation, which could make it more difficult for President Barack Obama to win progress on that front before a global environmental summit in December."

A University of Tennessee at Chattanooga study shows that the metals and organic chemicals found in used cigarettes can leak out, contaminating water and killing microorganisms.