"A state board voted unanimously Thursday to approve an air quality permit for a $10 billion oil refinery that Hyperion Resources wants to build in southeastern South Dakota."

"Sierra Club and Environment Texas filed an air pollution lawsuit today in federal district court against Chevron Phillips Chemical Company LP. The groups claim that Chevron Phillips has repeatedly violated the Clean Air Act at its Cedar Bayou chemical plant in Baytown, Texas."

"To prevent ecosystem damage due to commercial harvesting activity, U.S. Commerce Secretary Gary Locke today decided to prohibit the expansion of commercial fishing in federal Arctic waters until researchers gather enough information on fish and the Arctic marine environment to put safeguards in place."

A "Flash Mob" of environmental activists in Salt Lake City staged a demonstration to declare: "Climate Change Kills." It was just one of dozens of events around the country staged by both sides in the climate debate.

"Industry groups that rely on federal courts to fight regulations and legislation flowing from a Democratic White House and Congress may face frustrations as President Obama makes his mark on the judiciary."

"The Obama administration on Thursday approved a pipeline to carry oil-sands fuel from Canada into the US."

"Car shoppers have until Monday night to take advantage of lucrative Cash for Clunkers rebates from the government, and the Obama administration is hoping for a smooth ending to a program that has spurred auto sales but created headaches for many auto dealers."

"In a long-awaited move designed to protect people from cancer, California officials on Thursday proposed a new health goal for chromium 6 in drinking water that is thousands of times lower than the amount contaminating some water supplies."

"Alaska's marine waters -- source of 60 percent of the United States' seafood harvest -- show surprising impact as greenhouse emissions undermine the base of the food web."

"July was the hottest the world's oceans have been in almost 130 years of record-keeping. ... Meteorologists said there's a combination of forces at work this year: A natural El Nino system just getting started on top of worsening man-made global warming, and a dash of random weather variations. The resulting ocean heat is already harming threatened coral reefs. It could also hasten the melting of Arctic sea ice and help hurricanes strengthen."