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Speeding glaciers drive half a century of polar ice loss

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Greenland and Antarctica have lost 11,309 billion tonnes of ice between 1979 and 2023, raising sea levels by 31.4 mm; glaciers drive 84% of loss, surface melting 16%

European Space Agency

Faster-flowing glaciers fuel decades of polar ice loss

CSIRO Publishing

Ice sheet loss drove 3cm of sea level rise in 50 years

PHYS

Nature

Mass balance of the Greenland and Antarctic ice sheets from the 1970s to 2023

PBS News

Earth lost more than 12 trillion tons of ice from Greenland and Antarctica in 47 years, satellites show

Africanews

More than 12 trillion tons of ice lost as climate change accelerates polar melt

AGU Publications

Weve Lost 11 Trillion Metric Tons of Ice Since the 1980s

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New studies predict faster Antarctic melting and global sea level rise

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"[C]limate change is just a very, very expensive form of tax."

"I believe in climate change caused by human beings. What I'm skeptical about is the glib notion that it means the end of the world as we know it."

"The clock is no longer just ticking, it is banging."

"There is no long-term prosperity without action on climate change."

"The time for seeking global solutions [to climate change] is running out."

"The climate crisis is the existential threat. That's not hyperbole; it's a fact."

"[W]e are killing our planet."

Climate change is "above all, an existential crisis."

"Climate change is one of the greatest challenges mankind faces."

"If we don't take action, the collapse of our civilisations and the extinction of much of the natural world is on the horizon."

"Humanity is on thin ice — and that ice is melting fast."

"We haven't yet exceeded the bounds of viable human civilisation, but we're getting close."

Is Climate Change an Existential Threat?

A study published Wednesday in the journal Scientific Data found that Greenland and Antarctica lost about 11.3 trillion metric tons of ice between 1979 and 2023, raising global sea levels by roughly 31.4 millimeters.

A study published Wednesday in the journal Scientific Data found that Greenland and Antarctica lost about 11.3 trillion metric tons of ice between 1979 and 2023, raising global sea levels by roughly 31.4 millimeters.

Researchers reported that 84% of the combined ice loss came from glaciers accelerating and discharging ice into the ocean, while about 16% resulted from surface melting. The two ice sheets now account for roughly a quarter of global sea level rise.

Researchers reported that 84% of the combined ice loss came from glaciers accelerating and discharging ice into the ocean, while about 16% resulted from surface melting. The two ice sheets now account for roughly a quarter of global sea level rise.

The Ice Sheet Mass Balance Inter-comparison Exercise team combined 42 independent satellite surveys drawn from 27 satellite missions, extending the record back to 1972 for Greenland and 1979 for Antarctica using the early Landsat archive.

The Ice Sheet Mass Balance Inter-comparison Exercise team combined 42 independent satellite surveys drawn from 27 satellite missions, extending the record back to 1972 for Greenland and 1979 for Antarctica using the early Landsat archive.

Greenland's annual ice loss rose from about 60 billion metric tons in the 1980s to 264 billion in the 2010s, while Antarctica's rate climbed from roughly 48 billion metric tons a year to 202 billion over the same period.

Greenland's annual ice loss rose from about 60 billion metric tons in the 1980s to 264 billion in the 2010s, while Antarctica's rate climbed from roughly 48 billion metric tons a year to 202 billion over the same period.

Ice loss temporarily slowed between 2020 and 2023, as record snowfall over East Antarctica offset losses elsewhere and milder Greenland summers roughly halved surface melting. Scientists said these are short-term fluctuations, not a reversal.

Ice loss temporarily slowed between 2020 and 2023, as record snowfall over East Antarctica offset losses elsewhere and milder Greenland summers roughly halved surface melting. Scientists said these are short-term fluctuations, not a reversal.

Andrew Shepherd of Northumbria University said just over 3 centimeters of sea level rise puts "another six to nine million people at risk of coastal flooding and erosion." The assessment is supported by the European Space Agency and NASA.

Andrew Shepherd of Northumbria University said just over 3 centimeters of sea level rise puts "another six to nine million people at risk of coastal flooding and erosion." The assessment is supported by the European Space Agency and NASA.

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Ice Sheets Lost 11.3 Trillion Tons Since 1979, Study Finds

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Ice Sheets Lost 11.3 Trillion Tons Since 1979, Study Finds

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