from my brother's blog, ClimateProgress.org
click on picture to enlarge
A new study in Science finds that sea level rise from a collapse of the WAIS would likely be 25% higher for North America than previously estimated.
Read the whole entry for the news, which gives us the options of devastatingly bad and even worse.
So just to place this in perspective: Of the people who are studying global warming, the great consensus is that the Earth is warming and human activity in the last 100+ years is accelerating the warming at trends that may not be reversible unless we act NOW. A small minority disagree with some (but not all) of the findings. A much larger, and growing, number of scientists says that the problem is far worse than the consensus.