On Sat, 31 Oct 2009 10:53:04 -0500, thunder
wrote:

There's a difference between ice shelves and ice sheets. Ice shelves
float, and their melting would have a negligible impact on sea levels.
However, ice sheets, such as those that cover Greenland and Antarctica,
if they were to *totally* melt, would raise sea-levels @80 meters,
according to USGS.

Understood.

He's talking about floating ice.

And we don't have to worry about Antarctica - it's ice sheet is
growing.

As is part of Greenland's.

Sorry - we're not going to be swimming tomorow.