"The federal government’s No. 1 hunting ground for environmental offenders isn’t deep in the mists of the boreal forest — it’s in the back rooms of Canada’s neighbourhood dry cleaners."

"Looming U.S. rules that power utilities face on air pollution could create nearly 1.5 million jobs over the next five years, according to a report."

"A coalition of public health organizations in the coming weeks plans to step up efforts to oppose legislation that would block or delay Environmental Protection Agency climate rules." Budget-cutting Republicans on Capitol Hill will be encouraged to reduce the healthcare costs borne by taxpayers and ratepayers as a result of air pollution.

"The Obama administration will spare a stalled power plant project in California from the newest federal limits on greenhouse gases and conventional air pollution, U.S. EPA says in a new court filing that marks a policy shift in the face of industry groups and Republicans accusing the agency of holding up construction of large industrial facilities."

"The St. Petersburg waterworks is putting six giant gastropods to work monitoring emissions from a sewage incinerator. The African snails, the size of some rats, are attached to sensors that will show them getting sick if they take in too much bad air."

"The current air quality standards for carbon monoxide (CO) are strong enough to protect public health, U.S. EPA said today as the agency issued a proposal to keep the existing limits."

New sulfur dioxide standards set by Alberta in December 2010 are far weaker than some members of an advisory panel hoped for, environmentalists say. They suspect the oil industry has gotten to Alberta Environment.

Environmentalists say mercury emissions from the TransAlta coal-burning electric power plant in Washington state are dangerous.

"A new study ranks West Virginia fourth in mercury pollution, a chemical closely tied to a number of health risks."

"U.S. EPA's air division has made headlines under President Obama for its push to limit greenhouse gases and toxic pollution, but the busy office is running late with new limits on asthma-inducing soot, close observers of the rulemaking process say."

"Texas officials granted an air permit for a proposed Corpus Christi power plant Wednesday despite calls from federal regulators to delay approval of the controversial request."

"A federal judge on Thursday rejected the Obama administration's request to delay by more than a year controversial new regulations targeting emissions of mercury and other hazardous air pollutants from industrial boilers."

"It's not the kind of crime that's likely to appear on CSI. But counterfeit vehicle-inspection stickers that end up in Dallas County have links to deadly drug gangs in Mexico and human smuggling. They contribute to health-threatening pollution problems that also constrain business development in North Texas."

"More than 30 years after Congress set a goal of clearing the pollution-caused haze that obscures scenic vistas at some of America's wildest and most famous natural places, progress is still slow in coming."

"In a move that could help clean up Chicago's chronically dirty air, the Obama administration on Thursday brokered a legal deal that cracks down on some of the biggest sources of pollution along the southern shore of Lake Michigan."