"Search warrants served on two Cook Inlet oil facilities last week were based on federal environmental regulators' suspicions that Chevron Corp. had knowingly violated its air pollution permits and made false statements, court filings show."
Alaska and Hawaii
"After the spill, the crude oil was expected to biodegrade and wash away from Prince William Sound. But that didn't happen."
"U.S. Commerce Secretary Gary Locke declared a commercial fishing disaster for Yukon River king salmon Friday following two years of poor runs, fishing restrictions and bans."
"The federal Minerals Management Service has approved a controversial plan by Shell Gulf of Mexico, Inc. to drill up to three exploratory wells in the Chukchi Sea on leases it purchased in 2008."
"Over 3,000 square miles (7,770 sq kms) in Alaska would be protected as critical habitat for the endangered Cook Inlet beluga whale, under a proposal issued on Tuesday by the U.S. National Oceanic and Atmospheric Administration."
"BP Plc on Tuesday began cleaning up an oil spill from a leaky Alaskan pipeline, but said it has not determined what caused the leak or how much material spilled onto the snow-covered tundra."
"A government study found that a group of endangered beluga whales in Alaska is declining, raising concern that bolstered protection for the animals is not coming quickly enough."
"Just a few years ago, king salmon played an outsize role in villages along the Yukon River....But this year, a total ban on commercial fishing for king salmon on the river in Alaska has strained poor communities and stripped the prized Yukon fish off menus in the lower 48 states."
Birds on the North Slope in Alaska may be threatened by predators whose populations are encouraged by oil exploration and production.
"Billions of tons of carbon are buried in the frozen Arctic tundra, now heating up because of human-caused climate change. To measure which greenhouse gases are being released and in what quantities, government scientists are flying instrument-laden planes over the tundra from now through November."