Greenland's largest glaciers are melting at an incredible rate.
melting ice due to climate change is the main cause of rising sea levels, threatening the lives of coastal communities and especially the wildlife that depend on the ice.
Tags : glaciers
Photos of the 'Old Earth and Now': How has the Earth changed over the last 100 years?
below is a picture of the incredible change of the earth over the past 100 years recorded by nasa's aerospace and aerospace agency.