"The U.S. Justice Department filed a joint lawsuit with Arkansas on Thursday against oil producer Exxon Mobil Corp over the pipeline spill in March of thousands of barrels of heavy Canadian crude oil in a suburban neighborhood."

"Former TransCanada Corp. employee Evan Vokes' impassioned testimony before a Canadian Senate committee last week painted 'a very, very bleak picture of the pipeline industry in Canada, and probably by extension, the States,' according to Sen. Betty Unger."

"Trouble in a major Delaware City Refinery unit sent dark smoke billowing from a stack at the plant early [Tuesday] morning, triggering calls to regulators from nearby residents."

"BP is ending its cleanup of the massive Deepwater Horizon oil spill in three Gulf Coast states this month, leaving Louisiana as the only state with ongoing cleanup linked to the company's Deepwater Horizon Response effort. Reports of oil sightings in Alabama, Mississippi, and Florida will soon be the U.S. Coast Guard's responsibility to investigate."

"LULING, Texas -- Amid the dry weeds on a 470-acre ranch here, a rusted head of steel pokes up, a vestige of an oil well abandoned decades ago. Across the field stand two huge, old wooden oil tanks, one of them tilting like a smokestack on the Titanic."

"The Louisville Metro Air Pollution Control District has issued another notice of violation to LG&E over blowing coal ash and dust at its Cane Run power plant in western Louisville."

"Apache Canada has reported a significant pipeline rupture and spill about 20 kilometres northeast of Zama, Alberta, in the northeast corner of the province."

"U.S. regulators are giving the oil industry and other stakeholders more time to weigh in on a controversial proposal to stiffen standards for wells drilled on federal lands, Interior Secretary Sally Jewell pledged Thursday."

The fracking industry loves to argue that there's no proof its gas-extraction methods cause pollution. One reason they succeed because they settle lawsuits claiming pollution damages by obligating the plaintiffs to remain silent.

"U.S. EPA is reducing its efforts to address water pollution from livestock operations."

"No bases visited, no vets interviewed for Pentagon probe into dioxin in Okinawa."

"Federal environmental officials have completed part of a massive cleanup of lead from Omaha properties that began 15 years ago."

A series of oil rigs in the Gulf of Mexico, damaged during a September 2004 hurricane, are still leaking in a "chronic" oil spill. SkyTruth brought the pollution to light using satellite imagery, aerial photography, and publicly available government data. The slicks are bigger than the company responsible is reporting.

"On the coastal plain of eastern North Carolina, families in certain rural communities daily must deal with the piercing, acrid odor of hog manure—reminiscent of rotten eggs and ammonia—wafting from nearby industrial hog farms. On bad days, the odor invades homes, and people are often forced to cover their mouths and noses when stepping outside. Sometimes, residents say, a fine mist of manure sprinkles nearby homes, cars, and even laundry left on the line to dry."

"GE Energy Services' coal-fired power plant in Homer City will be required to meet federal standards for emissions of sulfur dioxide that are more protective of human health."