"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."
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