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Satellites show world s glaciers melting faster than ever
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Satellites show world s glaciers melting faster than ever
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Published Wednesday, April 28, 2021 12:21PM EDT Glaciers are melting faster, losing 31% more snow and ice per year than they did 15 years earlier, according to three-dimensional satellite measurements of all the world s mountain glaciers. Scientists blame human-caused
climate change. Using 20 years of recently declassified satellite data, scientists calculated that the world s 220,000 mountain glaciers are losing more than 328 billion tons (298 billion metric tons) of ice and snow per year since 2015, according to a study in Wednesday s journal Nature. That s enough melt flowing into the world s rising oceans to put Switzerland under almost 24 feet (7.2 metres) of water each year. The annual melt rate from 2015 to 2019 is 78 billion more tons (71 billion metric tons) a year than it was from 2000 to 2004. Global thinning rates, different than volume of water lost, doubled in the last 20 years and “that s enormous,” said Romain Hugonnet, a glaciologist at E
Satellites show world s mountain glaciers are melting faster than ever
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What was once considered to be permanent ice has declined in volume almost everywhere around the globe.
Half the world’s glacial loss is coming from the United States and Canada.
The near-uniform melting “mirrors the global increase in temperature” and is from the burning of coal, oil and gas.
Most of Earth s glaciers are melting faster than ever because of human-caused climate change, dumping about 328 billion tons of melted ice into the world s oceans each year, according to a new study.
In fact, what was once considered to be permanent ice has declined in volume almost everywhere around the globe, the study found.