There appears to be an increased need to worry about building resilience to sea level rise.
From Stefan Rahmstorf‘s commentary A new view on sea level rise in Nature Reports Climate Change , 44 – 45 (doi:10.1038/climate.2010.29)
Estimates for twenty-first century sea level rise from semi-empirical models2, 8, 16, 17, 18 as compared to the IPCC Fourth Assessment Report (AR4)1. For exact definitions of the time periods and emissions scenarios considered, see the original references.