ice melting

Melting Antarctic ice predicted to cause rapid slowdown of deep ocean current by 2050

The world’s climate might change by 40% in just three decades, according to new research by Australian experts. According to experts behind this research, melting ice around Antarctica will trigger a rapid slowdown of a significant global deep ocean current by 2050, which could change the climate of the entire planet for centuries and hasten …

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UN: Global warming to melt major glaciers by 2050, including Yosemite’s

Glaciers at some of the world’s most famous World Heritage sites are set to vanish within 30 years due to climate change — including those at Yosemite National Park, a new UN report warns. Threat level: “Glaciers in a third of the 50 World Heritage sites are condemned to disappear by 2050, regardless of efforts …

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Global warming above 1.5C could trigger ‘multiple’ tipping points

There is a “significant likelihood” that multiple “tipping points” will be crossed if global temperatures exceed 1.5C above pre-industrial levels, new research suggests. Tipping points are thresholds that, if crossed, trigger large-scale and potentially irreversible changes in a particular part of the Earth system. The research, published in Science, reviews hundreds of academic studies to …

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World on brink of five ‘disastrous’ climate tipping points, study finds

Giant ice sheets, ocean currents and permafrost regions may already have passed point of irreversible change The climate crisis has driven the world to the brink of multiple “disastrous” tipping points, according to a major study. It shows five dangerous tipping points may already have been passed due to the 1.1C of global heating caused …

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Study: Four major climate tipping points close to triggering

Even if the world somehow manages to limit future warming to the strictest international temperature goal, four Earth-changing climate “tipping points” are still likely to be triggered with a lot more looming as the planet heats more after that, a new study said. An international team of scientists looked at 16 climate tipping points — …

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Previously Unknown Loss of Antarctic Ice Discovered by NASA – “Antarctica Is Crumbling at Its Edges”

New NASA research on Antarctica, including the first map of iceberg calving, doubles the previous estimates of loss from ice shelves and details how the continent is changing. In forecasting global sea level rise, the greatest uncertainty is how Antarctica’s ice loss will accelerate as the climate warms. Two studies led by researchers at NASA’s …

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New seafloor images off the West Antarctic Ice Sheet upend understanding of Thwaites Glacier retreat

The Thwaites Glacier in West Antarctica—about the size of Florida—has been an elephant in the room for scientists trying to make global sea level rise predictions. This massive ice stream is already in a phase of fast retreat (a “collapse” when viewed on geological timescales) leading to widespread concern about exactly how much, or how …

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“Zombie ice” near Greenland is a catastrophe waiting to happen

Who knew the zombie apocalypse would actually be the climate crisis? A new study in the journal Nature Climate Change warns that the undead that we should be worried about are not walking corpses, but actually floating blocks of ice that will inevitably melt. These “dead” sheets of ice, found largely off the coast of …

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The amount of Greenland ice that melted last weekend could cover West Virginia in a foot of water

Pituffik, Greenland __The water off the coast of northwest Greenland is a glass-like calm, but the puddles accumulating on the region’s icebergs are a sign that a transformation is underway higher on the ice sheet. Several days of unusually warm weather in northern Greenland have triggered rapid melting, made visible by the rivers of meltwater …

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The amount of Greenland ice that melted last weekend could cover West Virginia in a foot of water

Pituffik, Greenland __The water off the coast of northwest Greenland is a glass-like calm, but the puddles accumulating on the region’s icebergs are a sign that a transformation is underway higher on the ice sheet. Several days of unusually warm weather in northern Greenland have triggered rapid melting, made visible by the rivers of meltwater …

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