Currently the total sea level rise is about 3 millimeters per year (about 1/8 of an inch per year). Of that amount, about one-third comes from Greenland and Antarctica, one-third from glaciers like those in Alaska or the Himalayas, and one-third from the expansion of seawater as it warms. In the future, we expect Greenland and Antarctica will contribute larger amounts.
The new map of ice flow speeds throughout Antarctica will improve our understanding of the vast continent and of future sea level rise.
Greenland’s melting ice sheet could generate more sea level rise than previously thought if greenhouse gas emissions continue to increase and warm the atmosphere at their current rate, according to a new modeling study.
New NASA data show that Jakobshavn Glacier — Greenland's fastest-moving and fastest-thinning glacier for most of the 2000s — grew for a third year in a row. However, it continues to contribute to sea level rise.