Thanks to the_old_weasel...

"At the most likely rate of rise, experts say, most of the beaches on the East Coast of the United States would be gone in 25 years. They are already disappearing at an average of 2 to 3 feet a year."

http://www.nytimes.com/1995/09/18/world/scientists-say-earth-s-warming-could-set-off-wide-disruptions.html