CourtHouse News: Scientists have underestimated the impact of Antarctic ice-sheet melting on global sea levels, which one group of researchers now believe may rise 50 feet in the next 500 years if greenhouse gas emissions continue.
The massive West Antarctic ice sheet - one of the final leftovers from the last ice age - is larger than Mexico, and capable of raising global sea level by 12 feet or more due to its significant width and depth. While scientists had presumed that it would take hundreds of years for...