the greenland ice sheet is at least 400,000 years old and warming was not global when europeans settled in greeland 1,000 years ago
the greenland ice sheet is at least 400,000 years old and warming was not global when europeans settled in greeland 1,000 years ago
greenland ice sheet:46
ice sheet models project that such a warming would initiate the long-term melting of the ice sheet, leading to a complete melting of the ice sheet (over centuries), resulting in a global sea level rise of about 7 metres (23 ft).