A 1% loss of Greenland's ice mass raises seas by 6cm. A 1% loss of ice from the Antarctic, polar, and Greenland sheets will yield 76cm rise in sea level. This puts entire European and American cities under water.

If all three melt entirely, we are looking at about 70m of sea level rise bringing the oceans to the heartland of America.

Those numbers don't take into account other glaciers or thermal expansion of water as the base line temperature rises.

As sea levels rise, hundreds of millions of people will be displaced and die trying to relocate. See: any time in history people have tried to move en masse.

Surely, human kind will survive. Life will surely survive. I think you're nuts if you think anything remotely related to the status quo will survive the next century.

We are looking at about a meter of sea level rise in the next 80 years based on current data sets: http://kaares.ulapland.fi/home/hkunta/jmoore/pdfs/jev_moore_...