"A divided federal appeals court on Thursday rejected an effort by a coalition of environmental groups to revoke federal approval of Royal Dutch Shell Plc's (RDSa.L) oil spill response plans related to drilling on Alaska's remote Arctic coast."

"The troubling news continues this week for the Antarctic peninsula region, which juts out from the icy continent."

Two different ice sheets in Antarctica are on the verge of disintegrating, which would add dramatically to climate-related sea-level rise.

"The Port of Seattle’s board voted Tuesday to ask that the arrival of Shell’s Arctic drilling rigs be delayed, bowing to a wave of public pressure by protesters and city officials over the company’s plans to drill this summer off the coast of Alaska and use Puget Sound as a home port."

"The Obama administration gave conditional approval on Monday for Shell Gulf of Mexico, Inc. to start drilling for oil and gas in the Arctic Ocean this summer."

"Changes in the Arctic Ocean are so profound that the region is entering what amounts to "a new era", according to Norwegian scientists."

"It would sit in the icy waters of the Arctic, and provide a constant supply of electricity to a massive rig drilling for oil. They could be mass produced, potentially cutting the cost of drilling projects. The twist? The electricity on these floating power plants would come from a nuclear reactor."

"If Royal Dutch Shell’s Arctic drilling program leads to a major spill, it could cost the oil company — and therefore its shareholders — an entire year’s worth of profit, according to a Tuesday legal filing by the conservation group Oceana and a University of Chicago law clinic."

"IQALUIT, Nunavut -- The eight Arctic Council nations pledged on Friday to do more to combat climate change that is shrinking the vast frigid region, with countries trying to put aside disputes over issues like Russia's intervention in Ukraine."