melting ice sheets

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 »

sea ice and iceberg in mcmurdo sound, antarctica

Melting Antarctic ice could slow global temperature rise, study says

Cold meltwater running off Antarctica’s ice sheets and into the ocean could dampen the pace of global temperature rise, a new study suggests — The research, published in Nature, finds that the rate of ice-sheet melt in a high-emissions scenario could see the oceans cooled by the influx of frigid water. This could knock as …

Melting Antarctic ice could slow global temperature rise, study says Read More »

outlet glaciers descending from main ice sheet

Guest post: How the Greenland ice sheet fared in 2018

Dr Ruth Mottram, Dr Peter Langen and Dr Martin Stendel are climate scientists at the Danish Meteorological Institute (DMI) in Copenhagen, which is part of the Polar Portal — The end of August traditionally marks the end of the melt season for the Greenland ice sheet as it shifts from mostly melting to mostly gaining …

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a melt pond on arctic sea ice in the central arctic

Humans are pushing the Earth closer to a climate cliff

A new study examines potential climate feedbacks that could push Earth into a ‘hothouse’ state — A new paper, just published in the Proceedings of the National Academy of Sciences has received a lot of media attention. The attention is justified because the paper paints a very grim picture of the climate and what humans …

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warming caused by greenhouse gas emissions

Extreme temperatures ‘especially likely for next four years’

Cyclical natural phenomena that affect planet’s climate will amplify effect of manmade global warming, scientists warn — The world is likely to see more extreme temperatures in the coming four years as natural warming reinforces manmade climate change, according to a new global forecasting system. Following a summer of heatwaves and forest fires in the …

Extreme temperatures ‘especially likely for next four years’ Read More »

a crack appears across the pine island glacier

Scientists find ‘natural pulses’ in recent melting of West Antarctic ice sheet

Natural ocean variability is heightening the rate of retreat of the West Antarctic ice sheet, a new study finds — A 16-year study of ocean conditions in Antarctica suggests that the periodic arrival of warm currents as a result of natural variability is worsening the rate of ice mass loss from key glaciers in the …

Scientists find ‘natural pulses’ in recent melting of West Antarctic ice sheet Read More »

australia’s great barrier reef

Coral reefs ‘will be overwhelmed by rising oceans’

Study finds fragile marine ecosystems cannot grow fast enough to keep pace with sea levels — Scientists have uncovered a new threat to the world’s endangered coral reefs. They have found that most are incapable of growing quickly enough to compensate for rising sea levels triggered by global warming. The study suggests that reefs – …

Coral reefs ‘will be overwhelmed by rising oceans’ Read More »

hinkley point

Weatherwatch: the nuclear option and rising levels of anxiety

Danger of coastal flooding might make sensible people think twice about building houses in vulnerable places, let alone nuclear power stations — Back in 2012 a document obtained under the Freedom of Information Act showed that the Environment Agency was warning that 12 out of the UK’s 19 nuclear sites were in danger of coastal …

Weatherwatch: the nuclear option and rising levels of anxiety Read More »

pine island glacier, west antarctic ice shelf

Land uplift ‘could prevent’ collapse of West Antarctic ice sheet

The rapid rise of bedrock beneath one of the fastest melting regions of the West Antarctic ice sheet could help prevent it collapsing, new research suggests — The natural uplift of the ground in response to melting of ice could help stabilise the ice sheet by “literally pin[ning] the ice to the rock”, the lead …

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