Nature World News: With climate change heating things up, and the Earth's poles rapidly melting, it should come as no surprise that a major Antarctic ice shelf may completely disappear by 2020, according to a new NASA study.
The last remaining section of the Larsen B Ice Shelf, which partially collapsed in 2002, is quickly weakening, flowing faster, and becoming more and more fragmented as well as developing large cracks. This, plus the fact that two of its tributary glaciers are also flowing faster and thinning...