06/05/2012 12:12 pm ET

5 Ways States Are (And Aren't) Planning For Rising Sea Levels

An inch here, an inch there...sometimes it’s easy to forget that sea levels continue to rise around the world and that soon all those inches will ad up.

The most recent scientific calculation, which includes projections on what melting ice in Greenland and Antarctica will add to the rise, suggest that worldwide by 2100 the sea will have climbed by 30 inches to six feet.

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