"Exxon Mobil Corp's near 70-year-old Pegasus oil pipeline leaked a small amount of crude into a residential yard in Ripley County, Missouri on Tuesday, a month after the same pipe spewed thousands of barrels of crude in Arkansas."

"An independent study co-published by the Faulkner County Citizens Advisory Group and Global Community Monitor reveals that, in the aftermath of ExxonMobil's Pegasus tar sands pipeline spill of over 500,000 gallons of diluted bitumen (dilbit) into Mayflower, AR, air quality in the area surrounding the spill has been affected by high levels of cancer-causing chemicals."

"Scientists say waste-treatment plants must follow subways and power stations in being protected against climate change."

"CONWAY, SC -- Pollution from a pair of coal ash ponds at Santee Cooper’s retired Grainger electric generating plant here has sparked another lawsuit – this one filed by The Southern Environmental Law Center, which alleges the state-owned utility is violating the federal Clean Water Act."

"The Environmental Protection Agency is reporting promising but uneven results in its latest report on costly efforts to control toxic pollution creeping away from Delaware’s largest Superfund cleanup site."

"PITTSBURGH -- The Environmental Protection Agency has dramatically lowered its estimate of how much of a potent heat-trapping gas leaks during natural gas production, in a shift with major implications for a debate that has divided environmentalists: Does the recent boom in fracking help or hurt the fight against climate change?"

"Smallmouth bass that draw hundreds of millions of dollars to the Chesapeake Bay region for sport fishing are sick, and many look too awful to ever mount as a trophy."

"Toxics regulators say Exide Technologies has been releasing hazardous waste into the soil beneath its plant because of a degraded pipeline."

"WASHINGTON, DC -- The U.S. Environmental Protection Agency must meet a court-ordered deadline to issue regulations that clean up power plant water pollution, the U.S. Court of Appeals for the District of Columbia ruled [Tuesday]. The decision turns back an attempt by the utility industry to avoid the financial and operational burdens of the regulations."

"KALAMAZOO, MI -- Members of the Kalamazoo community gathered at a public forum Monday to learn more about the Allied Paper landfill site and to voice concerns with the U.S. Environmental Protection Agency's proposal to consolidate and cap the site in Kalamazoo's Edison neighborhood."

"Billions of gallons of raw sewage and contaminated stormwater surge every year into the waterways and onto the streets of New England, as a 40-year-old pledge to clean America's lakes, rivers and streams remains unfulfilled."

"Nearly 800 hazardous waste sites are located in Erie, Niagara and Cattaraugus counties, and the majority of them are a threat to the largest source of fresh water in the world – the Great Lakes."

"Underfunded agency faces the challenge of finding answers to key questions: When did Exxon's pipeline rupture and when did the company learn of the spill?"

"Canada's federal pipeline regulator has ordered Enbridge to conduct a full engineering assessment of a troubled northern pipeline that has sprung several leaks in the last two months."

"WASHINGTON -- Cleanup workers, doctors, divers and Gulf Coast residents interviewed by a Washington watchdog group have reported health problems from the 2010 Gulf of Mexico oil spill, including blood in the urine, heart palpitations, kidney and liver damage, migraines, memory loss and reduced IQ."