sea rising
http://yosemite.epa.gov/oar/globalwarming.nsf/content/ClimateTrendsSeaLevel.html
http://yosemite.epa.gov/oar/globalwarming.nsf/content/ImpactsCoastalZones.html
http://www.howstuffworks.com/question473.htm
http://www.earth-policy.org/Updates/Update2.htm
