"The system Congress set up 21 years ago to clean up toxic air pollution still leaves many communities exposed to risky concentrations of benzene, formaldehyde, mercury and many other hazardous chemicals.

"Democrats on Thursday blocked the first major bill in the Senate that would have delayed the Environmental Protection Agency's clean air rules."

"DALLAS -- Environmental groups have notified the Energy Futures Holdings Corp. and its subsidiary, Luminant Generation Company, that they intend to sue the company for more than 38,000 alleged violations of the Clean Air Act at two Texas coal-fired power plants."

"The leaseholder for a controversial coal mine proposed in the Matanuska Valley has withdrawn its application for a state air quality permit for a second time, according to the Department of Environmental Conservation and the company, Usibelli Coal Mine, Inc."

"California approved one of the broadest and most controversial components of its landmark climate change law, pushing the state toward a low-carbon economy that relies less on imported foreign oil.

The California Air Resources Board on Thursday voted to adopt final rules that will regulate carbon emissions across a broad cross section of the state's economy, including oil and gas producers, utilities and transportation companies, farmers and the building industry.

"An enormous cloud hits Lubbock, where residents compare it to the Dust Bowl of the 1930s. The ongoing drought helped produce the storm, an expert says."

Molly Hennessy-Fiske reports for the Los Angeles Times October 18, 2011. [22]

"Children's asthma-related emergency room visits rise in the San Joaquin Valley at a similar rate as fine particulate levels do -- even on days where air quality is considered in the moderate range.

That's a key finding of a yearlong study by the Central Valley Health Policy Institute at Fresno State, which examined the short-term impacts of air quality changes in Bakersfield, Fresno and Modesto.

"LAFAYETTE, La. -- Pelican Refining Company pleaded guilty to felony violations of the Clean Air Act at its refinery in Lake Charles, Louisiana, and to obstruction of justice charges Wednesday in federal court in Lafayette. If the court sentences according to the terms in the plea agreement, Pelican will pay $12 million in criminal penalties, the largest criminal fine ever imposed in Louisiana for violations of the Clean Air Act."

"When President Obama retreated from a tougher stance on smog last month, his Environmental Protection Agency chief had formally concluded that the existing standard endangered thousands of Americans, including children and people with respiratory ailments."

"Adding pressure on the Environmental Protection Agency to relax air pollution rules, 25 states urged a federal court on Monday to require the agency to delay a rule on mercury emissions and other pollutants from power plants by at least a year, saying the measure is too costly. "