[Young Werther]

Been there and seen more than most. If 2 cubic miles of icecap is melting each year the cap will be completely gone in about 6000 years!!!!

Wowser! Of course all life on Earth will be extinguished by the 2029 asteroid if it hits the Earth. Which do you think is the more pressing problem?

[Robert A Cook PE]

Fool. The asteroid is supposed to hit us when the Mayan calendar resets in 2012 at the second eclipse of Venus.

[cogitator]

Of course all life on Earth will be extinguished by the 2029 asteroid if it hits the Earth.

I thought that the possibility of impact from that one had been pretty much ruled out (though it will come close). Seems like it from this article.

Astronomers Gear Up for Historic Asteroid Pass in 2029

And I'll be dead before I'd have to worry about major changes to the Greenland ice sheet. That might not be true for my grandkids, however.