Even according to conservative climate models, rising seas will make the road to Port Fourchon, La., a major artery to Gulf of Mexico refineries, largely unusable by the end of the century. A plan to raise 19 miles of the highway has stalled with 10 miles completed. Read related article.

Sources: Louisiana Department of Transportation, Clean Air-Cool Planet | | Gene Thorp/The Washington Post March 18, 2012
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