"Long involvement in Canada's tar sands has been central to Koch Industries' evolution and positions the billionaire brothers for a new oil boom."

"A fast-spreading plague of 'super weeds' taking over U.S. farmland will not be stopped easily, and farmers and government officials need to change existing practices if food production is to be protected, industry experts said on Thursday."

"Six U.S. senators are calling on the Environmental Protection Agency to immediately examine the health threats posed by forgotten factory sites featured in a recent USA TODAY investigation."

"Firemaster 550, touted as safe, is the latest in a long line of flame retardants allowed onto the market without thorough study of health risks"

"BISMARCK, N.D. -- Temporary, no-cost permits to tap surplus water from North Dakota's Lake Sakakawea will be issued to oil drillers and other industrial users until a national policy can be developed on how much, if anything, to charge, the U.S. Army Corps of Engineers said Wednesday."

"SALT LAKE CITY -- An environmental activist is asking a federal appeals court to overturn his two-year prison sentence for disrupting an auction of drilling parcels on public lands near Utah's national parks."

"With a simple statement on Tuesday, State Farm Insurance became the latest company to withdraw its support from the Heartland Institute, a Chicago-based think-tank which claims a 'realist' position questioning that humans are responsible for climate change."

"More people on the East Coast are acquiring a taste for snakehead, an exotic fish that's moved here from Asia. But the fish are still multiplying and spreading."

"The Environmental Integrity Project filed a Freedom of Information Act (FOIA) lawsuit Tuesday seeking details about dozens of White House meetings with interest groups to discuss Environmental Protection Agency regulations. The non-profit group, which advocates for the enforcement of environmental rules, filed the lawsuit after receiving no response from the White House Office of Information and Regulatory Affairs (OIRA) to a January FOIA request seeking more details on the meetings."

"With efforts to revamp the nation's chemical safety law stalled in Congress, the Obama administration's top environmental regulator vowed three years ago to act on her own to beef up the oversight of toxic substances. But key parts of the initiative by Lisa Jackson, the administrator of the U.S. Environmental Protection Agency, are still bottled up in an obscure White House office under intense pressure from industry lobbyists to back off."