"U.S. EPA Administrator Lisa Jackson today defended the science underpinning pending climate regulations despite Senate Republicans' claims that global warming data has been thrown into doubt."

"As the controversial law takes effect Monday, critics argue it could increase wildlife poaching, violence between visitors and against rangers, and destruction of historic and cultural monuments."

"Some local chapters of environmental groups find themselves battling their national leadership over issues like natural gas. The national groups see natural gas as a less-harmful alternative to coal. But local groups fear the damage that gas production could bring to their fresh water and landscapes."

"Major U.S. foodmakers are quietly investigating how to rid their containers of Bisphenol A, a chemical under scrutiny by federal regulators concerned about links to a range of health problems, including reproductive disorders and cancer."

"Nearly 50,000 US medical patients die every year of blood poisoning or pneumonia they picked up in hospital, a study has shown."

"The White House is mounting a last-ditch effort to piece together an energy and climate change bill that has enough incentives for nuclear power, natural gas and the coal industry to muster the votes needed to pass it this year."

"Facing mounting pressure from congressional lawmakers on both sides of the aisle, the Obama administration yesterday vowed to gradually phase in climate regulations for industrial sources."

Two authors of the book "Slow Death by Rubber Duck" used themselves as subjects in a science experiment about the dangers of chemicals in everyday consumer products.

"Manure is nitrogen rich, which makes it a great fertilizer. But by applying every last bit of ma nure to their fields, California dairy farmers—and non-dairy farmers as well—are dosing their crops with more nitrogen than the plants can absorb. The excess nitrogen is causing serious air and water pollution problems and may even be threatening the health of the soil."

"During his first year in office, President Barack Obama won praise from environmental groups for a wide range of decisions, ... But now there's grumbling on his green flank. A growing number of environmentalists are clashing with the administration over its management of America's struggling wildlife populations and what they call its reluctance to use the nation's most powerful environmental law, the Endangered Species Act, to stand up to industry."