Are We Totally Screwed? What Antarctica's 'Collapsing' Ice Sheet Means for Us

The past two weeks have brought one disturbing story after another about the future of the largest ice sheet on the planet — the vast frozen expanse of the Antarctic continent. Once viewed as a stable area of ice at least two miles thick in some places, recent research makes Antarctica seem more like a ticking sea-level-rise time bomb that is counting down more rapidly than ever before

So, how worried should you be about these findings, and what do they mean for the present day and near-term future, which, let's face it, most of us care much more about than hardships that might not occur until the year 2100 or beyond? Mashable reached out to several top climate scientists, including co-authors of the newest findings, to help put the news into perspective. Read more...