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Charles Monnet is responsible for you being concerned about polar bears drowning in ice-less Arctic waters. But did his support for wildlife get him suspended from his government post?

Warming in the Arctic is causing the release of toxic chemicals long trapped in the region's snow, ice, ocean and soil, according to a new study. Researchers from Canada, China and Norway say their work provides the first evidence that some persistent organic pollutants (POPs) are being "remobilized" into the Arctic atmosphere.

By Deborah Zabarenko, Environment Correspondent WASHINGTON (Reuters) - A major offshore Arctic oil spill could severely challenge the Coast Guard, with no available infrastructure to base rescue and clean-up operations, the Coast Guard commandant said on Monday.

Ice-road truckers may become an endangered species as climate change intensifies in the Arctic, concludes a new study that examines how rising temperatures will alter the transportation mix in the far north. Researchers at the University of California, Los Angeles, say that by midcentury, warming will significantly limit the areas suitable for constructing temporary roads each winter. The season for using such roads, key transport routes for cargo, will also shorten.

By Alister Doyle, Environment Correspondent OSLO (Reuters) - Trees in the Arctic region may grow 500 km (300 miles) further north by 2100 as climate change greens the barren tundra and causes sweeping change to wildlife, a leading expert said. [More]

Saying goodbye to friends is always hard, especially when we have spent seven of the most grueling weeks of our lives together. After so long away I had begun to think that my sojourn on the ice was endless, however the final week rolled around surprisingly quickly.

By Andrew Quinn WASHINGTON (Reuters) - Leaders of Arctic nations gather in Greenland this week to chart future cooperation as global warming sets off a race for oil, mineral, fishing and shipping opportunities in the world's fragile final frontier. [More]

By Alister Doyle, Environment Correspondent OSLO (Reuters) - Quickening climate change in the Arctic including a thaw of Greenland's ice could raise world sea levels by up to 1.6 meters by 2100, an international report showed on Tuesday. [More]

Dear EarthTalk : I read a heart-wrenching story of a polar bear that swam 400 miles with its cub on its back in search of an ice floe to rest on. It survived but its cub did not

There have been many media headlines recently concerning the melting of the sea ice in the Arctic Ocean, often focused on the opening of the North West Passage and further commercial opportunities in this region. Current predictions are that there will be no summer time sea ice coverage by 2050.

Portions of the Arctic coast are eroding by more than 26 feet per year, a problem that is likely to worsen as climate change intensifies, according to a new study. [More]

A federal government shutdown would cut short a key NASA field campaign to monitor Arctic ice. For the past three weeks, NASA researchers and crew have been surveying Arctic land and sea ice using specially equipped aircraft. The work is part of a larger project, "Operation IceBridge," designed to fill a gap between NASA's now-defunct ICESat satellite and its replacement, which isn't scheduled to launch until 2016.

WASHINGTON (Reuters) - Even at its biggest, Arctic sea ice extent this winter was among the smallest ever seen, apparently tying with 2006 for the least amount of ice covering the region around the North Pole, U.S. researchers reported. Sea ice on the Arctic Ocean usually starts growing in September and hits its maximum area in February or March; this year, the maximum appeared to occur on March 7, when ice stretched over 5.65 million square miles (14.64 million square km), according to the National Snow and Ice Data Center

The Catlin Arctic Survey is a unique collaboration between polar explorers and scientists to gather data on the impacts of climate and environmental change in the Arctic. This 10-week international scientific expedition will travel to the furthest reaches of the Arctic to research the impact of melting ice caps on the world's oceans and weather systems