melting permafrost

greenhouse gases, which have been frozen below the soil for centuries, have already begun to escape

Melting permafrost in Arctic will have $70tn climate impact – study

The release of methane and carbon dioxide from thawing permafrost will accelerate global warming and add up to $70tn (£54tn) to the world’s climate bill, according to the most advanced study yet of the economic consequences of a melting Arctic.

retrogressive thaw slump, herschel island, yukon, canada

Guest post: Arctic warming is causing a 60-fold increase in permafrost landslides

One of the principal concerns of a warming Arctic is the thawing of carbon-rich permafrost, which could release CO2 and methane into the atmosphere and accelerate climate change. However, the thawing of these perennially frozen soils also risks making a mark on the land surface itself, causing landslides known as “retrogressive thaw slumps”.

melting glacier in svalbard, norway

Military buildup in Arctic as melting ice reopens northern borders

As ice melts and shipping lanes open up, geopolitical tensions are growing and old cold war bases are being reopened — The climate crisis is intensifying a new military buildup in the Arctic, diplomats and analysts said this week, as regional powers attempt to secure northern borders that were until recently reinforced by a continental-sized …

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the heatwave that hit the uk this summer was made 30 times more likely by human-caused climate change

Global warming should be called global heating, says key scientist

UK Met Office professor tells UN summit Earth’s ‘energy balance’ is changing — “Global heating” is a more accurate term than “global warming” to describe the changes taking place to the world’s climate, according to a key scientist at the UK Met Office. Prof Richard Betts, who leads the climate research arm of Britain’s meteorological …

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kerala suffered its worst monsoon in nearly a century

Why the next three months are crucial for the future of the planet

Two forthcoming major climate talks offer governments an opportunity to respond to this year’s extreme weather with decisive action — The warning signals of climate change that have hit people around the world in the last few months must be heeded by national governments at key meetings later this year, political leaders and policy experts …

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fundamental questions are being raised about the ability of governments to stop the earth from spiralling into a ‘hothouse’

Earth’s climate monsters could be unleashed as temperatures rise

As a UN panel prepares a report on 1.5°C global warming, researchers warn of the risks of ignoring ‘feedback’ effects — This week, hundreds of scientists and government officials from more than 190 countries have been buzzing around a convention centre in the South Korean city of Incheon. They are trying to agree on the …

Earth’s climate monsters could be unleashed as temperatures rise Read More »

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