Would it be possible to dam the Mediterranean Sea?

The biggest barrage would be built across the Straits of Gibraltar between Spain and Morocco, separating the Mediterranean from the Atlantic Ocean. A second dam would block the Dardanelles and shut off the Black Sea. read more

Finally, Africa and Europe would be linked by both road and rail, with a major transport route running through Italy and the now adjoined island of Sicily, and bridging the gap to Tunisia (at the site of the possible third, central Mediterranean dam). read more

Most proposals to dam the Strait of Gibraltar since that time have focused on the hydroelectric potential of such a project, and do not envisage any substantial lowering of the Mediterranean sea level. read more

The cost to construct and maintain such a dam would not necessarily exceed the cost to adapt every coastal Mediterranean city to sea level rise. Pro: Such a project, if it were ever completed, would lead to more diplomacy and trade between Africa and Europe. read more