"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."

"CHURCHILL, Manitoba -- A polar bear attack in Canada that left two people injured has brought new warnings from scientists of a dangerous rise in human-bear encounters in a warming Arctic."

"New research shoes that average summer temperatures in the Canadian Arctic are the highest in at least 44,000 years."

"Less than 1 percent of the world's oceans are set aside as protected areas, but diplomats meeting now in Australia could substantially increase that figure."

"When the sun shines directly on the Hudson Bay Railway (HBR), the tracks can expand, warp and buckle. Trains have to slow down to 9 miles an hour or even stop. Journeys can be delayed for hours."

"About 4 million barrels of spilled oil, as much as BP's Gulf of Mexico spill, is flowing into the Arctic Ocean every year, Greenpeace says."

"REYKJAVIK, Iceland -- As the inaugural Arctic Circle conference got officially underway here Saturday, a specter loomed over the proceedings. The conference, which brings together policymakers, business leaders, researchers from across the world to discuss issues important to the Arctic, convened with messages from dignitaries of Iceland, Greenland, the United States, United Nations, Canada and Russia, and all of them shared a concern -- the outsized impact of climate change in the Arctic and what it means for far northern populations going forward."

"A Russian court ordered 20 Greenpeace activists from around the world to be held in custody for two months pending further investigation over a protest against offshore oil drilling in the Arctic, drawing condemnation and a vow to appeal."

"Shell Oil has not disclosed new safety measures since a critical federal report in March, and it has not applied to drill in the Arctic in 2014."