polar regions

a composite image of data from esa sentinel

Guest post: Is ‘glacier carbon’ good or bad for the climate?

Dr Arwyn Edwards is a senior lecturer in biology from the University of Aberystwyth and Dr Joe Cook is a postdoctoral researcher in glaciology from the University of Sheffield — Our warming planet is losing its glaciers and ice sheets. Water from melting glaciers trickles into the sea while faster-flowing glaciers are delivering more icebergs, …

Guest post: Is ‘glacier carbon’ good or bad for the climate? Read More »

the arctic report card outlines vast changes taking place in the arctic region

Arctic Undergoing Most Unprecedented Transition in Human History

The Arctic Report Card, released by the National Oceanic and Atmospheric Administration, outlines vast changes taking place in the Arctic region. Here are some major findings — The Arctic continues to undergo dramatic change due to atmospheric and ocean warming, and the region “is no longer returning to the extensively frozen region of recent past …

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the totten glacier, east antarctica

East Antarctica glacial stronghold melting as seas warm

Nasa detects ice retreat probably linked to ocean changes in region once thought stable — A group of glaciers spanning an eighth of the East Antarctica coastline are being melted by the warming seas, scientists have discovered. This Antarctic region stores a vast amount of ice, which, if lost, would in the long-term raise global …

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a polar bear in svalbard, norway

Slow Arctic freeze raises risk of polar bear extinction, say scientists

Record absence of ice after freak warm spells denies pregnant bears birthing dens and triggers ‘extirpation event’ warning — A record slow freeze of many regions of the Arctic this winter is making it harder for pregnant polar bears to find birthing dens. The delayed formation of sea ice during autumn has worried biologists, who …

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thwaites glacier in western antarctica

Build walls on seafloor to stop glaciers melting, scientists say

Barriers could halt slide of undersea glaciers and hold back sea level rises predicted to result from global warming — Building walls on the seafloor may become the next frontier of climate science, as engineers seek novel ways to hold back the sea level rises predicted to result from global warming. By erecting barriers of …

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thinning of the sea ice has reached even the coldest parts of the arctic

Arctic’s strongest sea ice breaks up for first time on record

Usually frozen waters open up twice this year in phenomenon scientists described as scary — The oldest and thickest sea ice in the Arctic has started to break up, opening waters north of Greenland that are normally frozen, even in summer. This phenomenon – which has never been recorded before – has occurred twice this …

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nasa satellite photo

Pollution is slowing the melting of Arctic sea ice, for now

Human carbon pollution is melting the Arctic, but aerosol pollution is slowing it down — The Arctic is one of the “canaries in the coal mine” for climate change. Long ago, scientists predicted it would warm quicker than other parts of the planet, and they were right. Currently, the Arctic is among the fastest-warming places …

Pollution is slowing the melting of Arctic sea ice, for now Read More »

sweden wildfires

Wildfires rage in Arctic Circle as Sweden calls for help

Sweden worst hit as hot, dry summer sparks unusual number of fires, with at least 11 in the far north — At least 11 wildfires are raging inside the Arctic Circle as the hot, dry summer turns an abnormally wide area of Europe into a tinderbox.   The worst affected country, Sweden, has called for …

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innaarsuit settlement, greenland

Huge iceberg threatens tiny Greenland village

Residents of Innaarsuit fear the 100-metre high berg will break up and cause a tsunami — A 100-metre (330ft) high iceberg has drifted close to a tiny settlement on Greenland’s west coast, prompting fears of a tsunami if it breaks up. Authorities have told residents of the Innaarsuit island settlement living near the shore to …

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