"Drilling service companies have injected at least 32 million gallons of diesel fuel underground as part of a controversial drilling technique, a Democratic congressional investigation has found."

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

"Over the past three years, the Gary Sanitary District has discharged at least 6.8 billion gallons of raw and partially treated sewage to the bacteria-impaired Grand Calumet River and the flood-prone Little Calumet River, according to a Post-Tribune analysis of state data."

"TIJUANA — A ruptured sewage pipe in Playas de Tijuana that led Baja California health authorities to close beaches—and raised concerns that the contamination also could affect ocean water quality north of the border—has been fixed, authorities said Thursday."

EPA has ordered Waste Management Inc. to clean upwaste and contaminated stormwater from a landfill that fouled Oahu beaches after heavy rains earlier this month.

The oil and gas industry is slurping up available groundwater in parts of South Texas where population growth is exploding and global warming may diminish rainfall. There may be a serious crunch ahead.

"Talisman Energy has resumed its Marcellus drilling operations in Pennsylvania, a week after one of the company's gas wells experienced a blowout that caused an uncontrolled discharge of sand and fracking fluids onto state forest lands in Tioga County."

"Before blocking one of Appalachia's largest-ever mountaintop coal-mining projects this month, U.S. EPA agreed to allow blasting to start on a half-a-dozen other mountaintop mines."

"A truce called in a bidding war for Canada's Baffinland Iron Mines sets the stage for an environmental battle over the Arctic project and the impact of shipping the ore through ocean ice to world markets."

"Arch Coal Inc. could have cut the stream damage from its proposed Spruce Mine in half without significantly increasing coal-production costs, according to a previously secret engineering report prepared for the U.S. Environmental Protection Agency."