"Citing 'extensive corrosion,' federal investigators said an MCHM chemical storage tank at the Freedom Industries site along the Elk River likely was leaking prior to the Jan. 9 spill that contaminated the drinking water for 300,000 people across the region."

"RINGWOOD, N.J. — The Environmental Protection Agency has finalized a $44.8 million cleanup plan for three heavily contaminated sites once used by the Ford Motor Co. to dump hazardous waste that have been at the center of a long-running and controversial environmental fight in New Jersey and New York."

"ELSBERRY -- After driving several miles along a winding rural road west of this Mississippi River town, Denny Mertz finds what he’s looking for. The retired engineer, turned full-time farmer, stops next to a neighbor’s field covered in soybeans — and something sinister."

"Pesticides don't just kill pests. New research out of the Netherlands provides compelling evidence linking a widely used class of insecticides to population declines across 14 species of birds."

"A study by the National Institutes of Health found that levels of arsenic similar to what some people consume in water caused cancer in male mice"

"Scientists at the University of Manitoba say they have linked pollution in the oilsands to elevated cancer rates in Fort Chipewyan for the first time."

"A federal agency has fined the company that spilled chemicals into West Virginia's largest water supply $11,000 for a pair of violations."

"It was the state’s worst industrial accident in nearly 50 years."

"Iraq's government has lost control of a former chemical weapons facility to 'armed terrorist groups' and is unable to fulfill its international obligations to destroy toxins kept there, the country's U.N. envoy told the United Nations."