12.5 trillion tons of polar ice has disappeared since the 70s, longest satellite record shows

"That puts another six to nine million people at risk of coastal flooding and erosion."

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Click for next article The Thwaites Glacier in Antarctica is sometimes called the Doomsday Glacier as its collapse could destabilize other glaciers in West Antarctica, leading to potential 10 feet (3 meters) sea level rise. (Image credit: NASA) Copy link Reddit Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter A staggering 12.5 trillion tons of polar ice has disappeared from Greenland and Antarctica since the 1970s, researchers have found.