Air

"A U.S. EPA report suggesting that Americans have significantly higher cancer risks because of toxic emissions from motor vehicles has reopened the debate over dangers posed by outdated diesel engines."

"Environmental regulators proposed rules on Wednesday that would force aging coal-fired power plants to choose between installing costly anti-pollution technology or shutting, which could ensure reliance nuclear power and natural gas."

"Recent research raises new concerns over the toxic substances borne aloft in wood smoke. Scientists say the tiny airborne specks of pollution carry carcinogenic chemicals deep into lungs and trigger DNA damage and gene changes comparable to the hazards of cigarette smoke and car exhaust."

"Three nonprofit groups Monday filed a federal lawsuit aimed at cleaning up air pollution from the Lower Colorado River Authority's coal-fired Fayette Power Project located between Austin and Houston."

"With the Obama administration required to put its plan for reducing toxic air pollution from coal-fired power plants on the table a week from today, the American Lung Association and other public health groups have started an early push to explain why U.S. EPA shouldn't flinch on the long-delayed rules."

"Recent studies suggest that smog-filled air kills more people and causes more breathing problems than previously thought, U.S. EPA scientists say in a new draft paper, but due to a procedural twist, the findings can't be taken into account as Administrator Lisa Jackson decides whether to set stricter limits than the George W. Bush administration chose in 2008."

"Wyoming, famous for its crisp mountain air and breathtaking, far-as-the-eye-can-see vistas, is looking a little bit like smoggy Los Angeles these days because of a boom in natural gas drilling."

"A two-decade-old crackdown on smog and soot under the Clean Air Act will yield about $2 trillion in annual benefits by 2020, according to a study that was released by U.S. EPA this morning and was touted as proof that the embattled agency's rules are an economic boon for the American people."

"Two environmental groups have sued the U.S. Environmental Protection Agency for access to 350,000 pages of documents about coal-fired power plants blamed for making Texas' pollution problems worse."

"Farm groups and members of Congress are jumping the gun in their efforts to stop U.S. EPA from making its air pollution rules tougher on dusty rural areas, the agency's second-in-command said yesterday."