AOL has an interesting story on projected sea levels over the next century. Scientists anticipate a rise of one meter no matter what we do today. That one meter rise will significantly alter the east coast of the U.S. as the maps at the link show.
It looks like the eastern beaches which have been such a popular vacation spot are going to be pretty much gone by the time our great grandchildren want to use them.
It also looks like all the money we're spending to rebuild New Orleans and the Gulf coast might as well be dumped into the ocean. In fact, it soon (relatively speaking) will be.RLC