"Dow Agrosciences LLC and two other pesticide makers won a bid to overturn U.S. National Marine Fisheries Service proposals to protect salmon when an appeals court found the agency’s decision 'arbitrary and capricious.'"

"Drilling specialists have been pumping heavy fluids into a gas well 50 miles off the Louisiana coast in a bid to halt natural gas moving among underground formations at the site."

"If you order tuna at a D.C. restaurant, chances are half the time you’ll be getting another, less expensive fish in its place. But those odds are better than if you had wanted snapper. Testers nationwide found that 87 percent of the time, restaurants and grocery stores were selling something else under that label."

"Limited data and unreliable estimates on air pollution from oil and natural gas production is hindering the Environmental Protection Agency's efforts to police the drilling boom, the agency's internal watchdog said in a report released Thursday."

New social science research says that climate change deniers are more likely to believe in conspiracy theories. Climate change deniers say the study is evidence of a conspiracy.

"Environmental advocates and representatives from the oil-and-gas industry are flocking to the White House following the submission of a draft rule that would govern the controversial practice of hydraulic fracturing on public lands."

"NEW ORLEANS -- Stunning new data not yet publicly released shows Louisiana losing its battle with rising seas much more quickly than even the most pessimistic studies have predicted to date."

"Intensive research shows vigorous regrowth in beetle-killed tracts."

"President Barack Obama intends to nominate air quality expert Gina McCarthy to lead the U.S. Environmental Protection Agency and nuclear physicist Ernest Moniz to head the Department of Energy as early as this week, according to a source familiar with the process."

"The National Park Service would be forced to delay the opening of roads into iconic national parks including Yellowstone, Grand Canyon and Yosemite by as much as a month if Congress fails to avert $85 billion in across-the-board spending cuts, according to new information obtained by a Park Service retirees group."

"Court reduces company's maximum fine a week before trial over blowout that dumped millions of gallons of oil into Gulf of Mexico."

"Community advocates are outraged that a contaminated playground at a Newark public housing complex remained open, allowing children to be exposed to dangerous levels of lead."

Two retired outdoorsmen -- with help from water researchers -- are testing streamwater in western Pennsylvania. They are struggling to get EPA attention to chemicals they fear could be related to the fracking boom.

"A former Texas state oil and gas regulator outlined in 2011 how two Range Resources Corp. wells outside Fort Worth could have leaked natural gas into the water supply of nearby homes."

"This winter, our usually quiet Colorado valley -- so quiet that you can hear the wingbeats of the eagles and ravens that pass overhead -- has reverberated with the growls of trackhoes digging trenches across hillsides and irrigated pastures."