"WASHINGTON -- The U.S. Supreme Court on Monday rejected a challenge by the oil lobby disputing a U.S. Environmental Protection Agency air pollution rule."

"A federal jury on Thursday found Tonawanda Coke Corp, accused of years of illegal air pollution, guilty of violating federal clean air regulations and found its environmental manager guilty of hiding plant deficiencies from U.S. regulators."

"Toxic algae blooms in Lake Erie could come more often and be more intense in coming decades thanks in part to torrential rains intensified by global warming, according to a study published in Monday’s Proceedings of the National Academy of Sciences."

"SPRINGFIELD, Ill. -- Dominion Energy has agreed to pay a $3.4 million civil penalty and spend $9.75 million on environmental mitigation projects to resolve Clean Air Act violations at coal-fired power plants in three states."

"Exxon Mobil was working to clean up thousands of barrels of oil in Mayflower, Arkansas, after a pipeline carrying heavy Canadian crude ruptured, a major spill likely to stoke debate over transporting Canada's oil to the United States."

"STE. GENEVIEVE, Mo. -- Ameren Missouri has spent the past four years engaged in a bitter fight with Labadie-area residents over a proposal to pile millions of cubic yards of coal ash on a plot of cropland by the Missouri River."

"The Environmental Protection Agency will move ahead Friday with a rule requiring cleaner gasoline and lower-pollution vehicles nationwide, amounting to one of President Obama’s most significant air pollution initiatives, according to people briefed on the decision."

"TRAVERSE CITY, Mich. — Government regulators can try to halt construction projects at power plants if they think the companies didn't properly calculate whether the changes would increase air pollution, a federal appeals court ruled Thursday, marking the latest twist in a decades-long fight over the Clean Air Act."

"GONZALES, Tex. -- In a dusty lot off the main highway in this South Texas town, Vern Sartin pointed to a collection of hose hookups and large storage tanks used for collecting wastewater from hydraulic fracturing jobs."

"TRAVERSE CITY, Mich. -- The Environmental Protection Agency issued new requirements Thursday for cleansing ballast water dumped from ships, which scientists believe has provided a pathway to U.S. waters for invasive species that damage ecosystems and cost the economy billions of dollars."

"Most city governments on the mainland withheld vital information on pollution from the public last year, with many scaling back their disclosure to protect polluters as economic growth slowed, two major environmental organisations said in a study released in Beijing yesterday."

"Lobbying group funds research, argues products are safe despite government studies linking them to pollution."

The story of hexavalent chromium, a carcinogen, in drinking water is not over, even though Erin Brockovich's legal victory was vaunted in a film 13 years ago. Groundwater near Hinkley, Calif., is still polluted. The story of how industry clout has kept EPA delaying regulation of chromium in drinking water is a tale of the chemical industry's ability to manipulate regulation by sowing doubt. But recent highly dramatized stories on chrome-6 in drinking water may not have helped much, to the extent that they downplayed natural background levels, the importance of dose, and the statistical problems in identifying cancer clusters. The whole saga raises key issues about public relations, lobbying, regulatory politics, the legal system, environmental journalism, and the protection of public health.

"A mile-long train hauling oil from Canada derailed and leaked 30,000 gallons of crude in western Minnesota on Wednesday, as debate rages over the environmental risks of transporting tar sands across the border."

"The Coast Guard has asked the Justice Department to investigate possible pollution violations by both the drilling rigs Shell used in its botched efforts to explore for oil last year in the Arctic Ocean waters off the northern coast of Alaska."