Sea levels may rise much faster than thought, Greenland data suggest

Greenland’s largest ice sheet is thawing at a much higher rate than expected, a new study has revealed, suggesting it will add six times more water to the rising sea levels than previously thought. And the trend may not be limited to Greenland, scientists worry.

The study used GPS measurements and computer modeling to estimate how much ice is being lost due to climate change from the Northeast Greenland Ice Stream (NEGIS), a prominent ice flow that drains ice and meltwater from Greenland’s inland ice-covered basin.

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