Originally Posted by Rochard

What I don't understand is.... Why isn't the US building massive desalination plants (used to make salt water / sea water so we can use it as drinking water) up north on the Atlantic and Pacific, and build huge canals to carry this water down to the south?

Don't tell me it cannot be done - There are entire countries who live on desalination plants, and we have the California Aqueduct which carries water down from Sacramento down to Southern California.

The expense would massive but I bet you it would create tens of thousands of jobs...