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Permafrost News

Giant 30,000-year old virus resurrected from permafrost

French scientists on the hunt for unknown pathogens have discovered a giant virus that has been buried in the Siberian permafrost for 30,000 years. The strange virus has been given the name Pithovirus sibericum.

Siberian cave study warns of permafrost thaw tipping point

Evidence assembled from stalactite and stalagmite formations in frozen caves in Siberia by a team of international scientists led by Oxford University gives some clues as to what might happen if global temperatures continue to rise.

The Big Thaw: Permafrost thaw to cause significant Global Warming

Thawing of permafrost is expected to cause significant additional global warming, not yet accounted for in climate predictions, warn scientists attached to the United Nations Environment Programme (UNEP) in a report released this week..

Scientists bring plant 30,000 yrs in Siberian permafrost to life

Fruit placental tissue of the herbaceous Silene stenophylla found in Siberian permafrost, and believed to have been stored by squirrels more than 30,000 years ago have been regenerated into full flowering plants by Russian scientists.

Permafrost and Methane Could Be A Force In Climate Change

Each time a bubble breaks through are we at a greater risk? Those bubbles are coming from the the Arctic Circle and the risk is methane. Methane at a rate that could speed up climate change across the globe.

Thawing Permafrost Holds Vast Carbon Pool

Permafrost blanketing the northern hemisphere contains more than twice the amount of carbon in the atmosphere, making it a potentially mammoth contributor to global climate change.

Op-ed: Climate Changes Shishmaref, It's Falling Into The Ocean

Some may doubt that the climate is changing but those in Arctic villages have watched their landscape changing. The melting permafrost is causing villages to slide away into the sea along with their way of life.

Ancient 'warrior' found in permafrost

2000-year old intact remains found in Russia
 

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Permafrost Image

Frost crystals at the entrance of Ledyanaya Lenskaya Cave
Frost crystals at the entrance of Ledyanaya Lenskaya Cave
CREDIT: Vladimir V Alexioglo
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Large frost crystals at entrance of Ledyanaya Lenskaya Cave
Large frost crystals at entrance of Ledyanaya Lenskaya Cave
CREDIT: Vladimir V Alexioglo
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Coastal erosion of permafrost resulted in the complete destruction of this house in Shishmaref  Alas...
Coastal erosion of permafrost resulted in the complete destruction of this house in Shishmaref, Alaska.
United Nations Environment Programme
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Warming permafrost softens coastlines  making it more vulnerable to wave action and promoting erosio...
Warming permafrost softens coastlines, making it more vulnerable to wave action and promoting erosion along the Arctic coast of Alaska. A large block of ice-rich permafrost has detached from the mainland and will quickly disintegrate (photo: Christopher Arp).
United Nations Environment Programme
image:132653:0::0
An ultrathin section of a Pithovirus particle in an infected Acanthamoeba castellanii cell observed ...
An ultrathin section of a Pithovirus particle in an infected Acanthamoeba castellanii cell observed by transmission electron microscopy. The length of the particle is ~1.5 µm with a 0.5 µm diameter.
Julia Bartoli and Chantal Abergel, IGS and CNRS-AMU.
image:177356:0::0

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