"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."

"As temperatures drop well below freezing during [Afghanistan's] harsh winter, bombs and bullets from a near-decade long war against a Taliban-led insurgency are not the only threat -- just trying to light a home and stay warm can be deadly." Heating and cooking with solid fuels like wood and coal kills some 54,000 Afghans a year, most of them children under five. By contrast, 2412 civilians were killed by conflict-related violence in the first 10 months of 2010."

"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."

As part of a settlement, air filters will be installed in the schools of five communities around the Port of Los Angeles, where almost 22% of children suffer from asthma, compared to a rate of 14.2 percent nationwide.

"Republicans in Congress are introducing legislation to curtail the role of the U.S. Environmental Protection Agency in regulating greenhouse gases under the Clean Air Act and to prevent and roll back regulations intended to reduce air pollution such as mercury emissions from cement plants. These efforts amount to attacks on the nation's health, the advocacy coalition Health Care Without Harm said [Tuesday]."

"The average Canadian is in denial about the impact of air pollution on human health, assuming that it is either a long-term threat or a risk factor for vulnerable parts of the population, says a newly-released federal report."

"The Environmental Protection Agency announced Thursday that it will regulate greenhouse gas emissions from power plants and oil refineries next year in an attempt to curb global warming."