Permafrost ‘carbon bomb’ may be more of a slow burn, say scientists

Carbon dioxide from thawing Arctic permafrost is likely to be released gradually, rather than in a catastrophic eruption as previously predicted – but impact of emissions will still be great, new research suggests

Polar bears face starvation as unlikely to adapt to a land-based diet, says report

New research casts doubt on the theory that polar bears could survive habitat loss as sea ice declines by foraging for food on land

Emma Thompson in the Arctic with Greenpeace: ‘There are more good-looking men on this boat than any place I have ever been’ – video

Actor Emma Thompson has gone on an expedition with Greenpeace to raise awareness of the dangers of drilling for oil. She doesn’t want to tweet, but Stephen Fry has told her to ‘get a grip’. It’s freezing cold, Greenpeace keep asking her to pose for pictures on icebergs and her Arctic gear makes her ‘look like a sofa’. Here is her adventure

• Read an interview with Emma Thompson in the Guardian’s Weekend magazine on Saturday

Blancpain Pristine Seas expedition to Franz Josef Land, the Russian Arctic jewel

  Franz Josef Land is a remote Russian archipelago harbors with a wild Arctic ecosystem that includes walruses, whales, polar bears, seals, and large nesting colonies of seabirds. But global warming may be affecting this remote ecosystem in ways we still do not fully comprehend. An international group of scientists and filmmakers is now assessing … Read more

The Arctic becoming greener. The new normal in the modern-day Arctic

  Arctic Report Card 2013: Melting ice, below-average snow cover, declines in wildlife population – the new normal in the modern-day Arctic.   In 2013, multiple Arctic climate indicators relaxed from some of the extremes seen in 2012, but remained within the bounds of the new, warmer state seen in the past decade, according to … Read more

The Arctic is rising. Take immediate global action to protect the Arctic from destructive oil drilling

Let’s declare a global sanctuary in the Arctic: Polar bears spreading the word. Good morning planet Earth. The Arctic is rising! The Arctic ice we all depend on is disappearing. A new Greenpeace International worldwide campaign demands immediate global action to protect the Arctic from destructive oil drilling. The melting Arctic is under threat from oil … Read more