There has been considerable angst and uncertainty about projections of the sea level rise that accompanies rising global temperatures. In fact, the last IPCC assessment settled on pretty conservative numbers due to that uncertainty. There are a lot of unknowns that make this one of the tougher variables to predict; Antarctica, in particular, has proven difficult to get a handle on.
A recent research review in Nature Geoscience nicely sums up the state of our knowledge on the West Antarctic ice sheet, and points to where the research is headed. (As an added bonus, you can listen to one of the authors sing about it.)
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