A rapidly melting glacial region of Antarctica has passed “the point of no return,” threatening to increase sea levels, according to the National Aeronautics and Space Administration.
Ice in Antarctica and Greenland is disappearing faster and may drive sea levels higher than predicted this century, according to leaked United Nations documents.
Antarctic researchers found as much as 400 billion metric tons of carbon hidden under the ice sheets, with the potential to seep out as methane and accelerate global warming.
West Antarctica’s biggest glacier is melting 50 percent faster than in 1994, adding to a global increase in sea levels, U.S. and U.K. scientists found.
U.S. Secretary of State John Kerry called for establishing the world’s largest protected marine area in Antarctica and urged stronger global safeguards for oceans.