"Recently retired Environmental Protection Agency environmental engineer Weston Wilson is best known for criticizing his employer’s 2004 finding that hydraulic fracturing poses little or no risk to domestic groundwater. Now, the Denver EPA whistleblower is encouraged by the agency’s interest in studying the natural gas development procedure’s potential impacts on air quality as well."

"The U.S. Environmental Protection Agency on Thursday proposed new rules to ensure factories and power plants will be able to obtain permits they will need to emit greenhouse gases starting next year."

"U.S. environmental regulators finalized rules on Monday aimed at cutting mercury emissions and other pollution from Portland cement manufacturing, the third-largest source of mercury air emissions in the country."

"The daily mortality rate in Moscow has doubled and morgues are overflowing amid an acrid smog caused by the worst heatwave in Russia's thousand-year history, officials said Monday."

"FORT WORTH, Texas -- For nearly a year Christine and Tim Ruggiero have battled the powerful Texas oil and gas industry and the inertia of regulators responsible for protecting air quality and public health."

"Environmentalists are suing U.S. EPA over a rule that aims to regulate greenhouse gases from only the largest industrial sources, arguing that the agency exempts too many big polluters."

"In a sweltering summer in New York City back in 1999, Yolanda Baldwin was eight months pregnant with her first child. She lived across the street from a busy intersection and often wondered what the fumes might be doing to her unborn child. Now Baldwin and several hundred other mothers whose sons and daughters have been monitored for a decade have an answer: Before children even take their first breath, common air pollutants breathed by their mothers may reduce their IQs."

"The EPA says some communities in Louisiana face a 'moderate health risk' due to hydrocarbon fumes from the Gulf oil spill. Researchers will report air quality findings this week."

"Closed-door meetings between a select group of environmentalists and a handful of electric utility executives may determine the fate of climate change legislation in the Senate."