Major U.S. cities have passed the 'tipping point' for sea level rise, according to a new study
Saturday, December 20, 2014 - 15:00
in Earth & Climate
Thor BensonWASHINGTON, Dec. 20 (UPI) -- Washington, D.C. and Annapolis, Md. are already past a 'tipping point' for frequent flooding caused by sea level rise, a new study finds.