of Earth’s fresh water exists as snow or ice.
Around 10% of Earth’s land area is covered by glaciers or ice sheets.
The rate of global mean sea level rise for 2006–2015 is unprecedented and about 2.5 times the rate for the period 1901–1990.
The average rate of decline of the June snow cover extent in the Arctic, since 1967, when satellite charting began.
Ice sheets thickness exceeds 4 km in East Antarctica and 3 km in Greenland.
The amount of ice of the Antarctica ice sheet, if completely melted, will cause a sea level rise of 58 m.