"Royal Dutch Shell may be able to resume Arctic oil and gas exploration if the Interior Department sticks to the timeline it filed to the U.S. District Court of Alaska."

"Dartmouth scientist Rachel Obbard was looking at samples of Arctic sea ice for small organisms when something else caught her eye: Tiny, bright-colored bits and pieces and miniature string-like objects that did not seem to belong."

"The warming climate is melting sea ice, opening U.S. Arctic waters to shipping and oil and gas development, but the National Research Council warned today that U.S. personnel, equipment, transportation, communication, navigation, and safety resources are not adequate for an Arctic oil spill response."

"Life has never been easy for just-hatched Magellanic penguins, but climate change is making it worse, according to a decades-long study of the largest breeding colony of the birds."

"Researchers say they have discovered a large reservoir of melt water that sits under the Greenland ice sheet all year round."

"A land forged by fire and ice is losing the latter. And with the glaciers go a cultural and societal touchstone – for without ice, Iceland 'is just land.'"

"The heat is on for the world’s caribou with a new study warning the creatures could lose as much as 60 per cent of their range within 60 years."

"The political temperature in the Arctic rose on Tuesday when Vladimir Putin vowed to step up Russia's military presence in the region in response to a claim by Canada to the north pole."

"Shell plans to drill five wells over several years at its Burger prospect in the Chukchi Sea, according to a revised exploration plan filed Nov. 6 and posted online by the U.S. Bureau of Ocean Energy Management."

"A newly discovered volcano found buried beneath a thick layer of ice in Antarctica could speed up ice loss and raise global sea levels when it erupts, scientists say."