"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."

"WASHINGTON — Hunting for offshore oil in remote and unforgiving Arctic waters requires vessels capable of withstanding crushing blows from icebergs, a nearby stash of emergency equipment and other specialized resources, according to a new report from Pew Charitable Trusts."

"Two environmental activists who climbed an OAO Gazprom (GAZP) Arctic rig to protest planned oil extraction were taken into custody following warning shots from Russia’s Coast Guard."

"Scientists watching Antarctica's Pine Island Glacier from space have noticed with some alarm that it has been surging toward the sea."

"A major feature of the Earth has escaped notice — until now. Scientists Thursday that they've discovered a vast canyon, twice as long as the Grand Canyon. It carves a deep scar from the center of the world's largest island out to the coast. And, oh one more detail: It's buried beneath as much as 2 miles of ice. Yes, we're talking about icy Greenland."

"Six activists climb Europe's tallest building in a protest against oil and gas drilling the Arctic."

"KIRUNA, Sweden -- Ministers from the eight Arctic states and representatives of the Arctic Indigenous Peoples Wednesday adopted a shared vision statement for the future development of the region as a 'zone of peace and stability.'"

"Acidification is an additional stress on an ecosystem already under pressure from rapid sea ice loss, study warns."

"The Arctic ecosystem, already under pressure from record ice melts, faces another potential threat in the form of rapid acidification of the ocean, according to an international study published on Monday.

"Scientists say that foxes in Arctic regions who feed on ocean prey are being exposed to dangerous levels of mercury."

"MOSCOW — It was once protected by ice. Now regulation will have to do the work."

"Oil industry efforts to develop the American Arctic took another hit today as ConocoPhillips scrapped plans to drill in the Chukchi Sea in 2014."

"Russian scientists believe they have discovered new life forms sealed off for millions of years in a subglacial lake deep under the Antarctic ice, the RIA news agency reported on Thursday."

"WASHINGTON — After a series of costly and embarrassing accidents in its efforts to drill exploratory wells off the north coast of Alaska last year, Royal Dutch Shell announced on Wednesday that it would not return to the Arctic in 2013."

"A thaw of sea ice floating on the Arctic Ocean last year sent extra plant food to exotic creatures on the deep sea floor in a shift that might leave polar bears hungry at the surface, scientists said on Thursday."