Speed at which world's glaciers are melting has doubled in 20 years

Glacier melt contributing more to sea-level rise than loss of Greenland and Antarctic ice sheets, say expertsThe melting of the world's glaciers has nearly doubled in speed over the past 20 years and contributes more to sea-level rise than either the Greenland or Antarctic ice sheets, according to the most comprehensive global study of ice rivers ever undertaken.Scientists say human-driven global heating is behind the accelerating loss of high-altitude and high-latitude glaciers, which will affect coastal regions across the planet and create boom-and-bust flows of meltwater for the hundreds of millions of people who live downstream of these "natural water towers". Continue reading...