Hidden Antarctic lakes could supercharge sea level rise

Subglacial water may boost sea levels by over 2 meters by 2300

A birds-eye view of an ice sheet

The Antarctic Ice Sheet holds around 90 percent of all ice on Earth. But human-caused climate change is driving it to shed an average of 150 billion metric tons of ice each year, raising sea levels around the world.

Mario Tama/Getty Images

Beneath the great, white expanse of the Antarctic Ice Sheet, a mysterious realm of streams and lakes lies out of sight.