"EPA finds trichloroethylene causes kidney and liver cancer, lymphoma and other health problems. The decision could raise the cost of cleanups nationwide, including in the San Fernando and San Gabriel valleys."

"SANTA FE -- The U.S. Environmental Protection Agency has approved a plan for the clean up of the largest and highest priority abandoned uranium mine on the Navajo Nation."

"SACRAMENTO -- The U.S. Environmental Protection Agency today ordered a $60 million cleanup of groundwater polluted with rocket fuel at the Aerojet Superfund Site in Sacramento County, the latest phase of a long-term decontamination project at the site."

"The U.S. Department of Energy said on Wednesday it will provide a Texas clean coal plant with $450 million in funding months after a power company shelved plans for a similar plant in West Virginia."

"An ongoing federal investigation into last year's massive rig explosion and oil spill in the Gulf of Mexico has found that a particularly lax U.S. regulatory regime was a significant factor in the events leading up to the disaster."

"Five engineer climbers will take four more days to meticulously photograph every marble block as they look for damage caused by the August earthquake."

"When Rep. Michele Bachmann (R-Minn.) recently suggested that the human papillomavirus vaccine — recommended for girls and young women to protect against cervical cancer — was dangerous and could cause mental retardation, the American Academy of Pediatrics pushed back hard. The AAP, which represents 60,000 pediatricians, issued a statement saying the claim had 'absolutely no scientific validity.'"

"So what the heck is a pawpaw?"

"Global warming-denying governor and presidential candidate Rick Perry can't escape a major reckoning at home."

"The last decade was the greater Yellowstone region's hottest on record, according to a study released Tuesday by a pair of environment-oriented nonprofits."