Six am on a sub-zero morning in Devon. A five-mile run in the dark, ending in a couple of hill sprints. Breakfast. Circuit training in the barn; beyond any pain threshold to physical exhaustion. Lunch. Ninety minutes dragging weighted tyres up and down a 1:6 hill, says guardian.co.uk more »

Scientists to set up ice base in northern Canada to examine impact of ocean acidification on the region’s animals and plants,says guardian.co.uk more »

An Arctic thaw among Cold War foes means there will be no foreseeable major conflict over seabed resources, says a leading Arctic scholar, says edmontonjournal.com. more »

According to onearth.org, summer sea ice is melting in the Arctic, exposing for the first time the fabled Northwest Passage that Europeans sought for centuries. That creates a new frontier for human endeavors … more »

Global methane levels are on the rise partly due to rising emissions in the Arctic.

Globally averaged atmospheric methane did increase by 7 parts per billion (ppb) per year during 2007 and 2008, while the rise during the first half of 2009 was 7 ppb greater again than it was in 2008, says gather.com more »

Some global warming skeptics say the computer models that simulate future climate change can be wrong.

Walter N. Meier, a climate scientist, agrees.

“They tend to be underestimating” how quickly global warming is melting arctic sea ice, Meier said. The models “can be wrong in both directions.” more »

PASADENA, Calif. – In 2007, the Arctic lost a massive amount of thick, multiyear sea ice, contributing to that year’s record-low extent of Arctic sea ice. more »

According to cleanskies.com, one top climate scientists says this summer’s Arctic ice melt could be a “double whammy.” more »