If you read either the daily SR or the monthly version you know my thinking on why I believe that there will be two major migrations, one away from the coasts, the other out of the Southwest and Great Plains. The first because of too much water, the second because of too little. Here is a good representation of the reasons why I think this.
Climate Change Drying Out Southwest Now, With Worse To Come For A Third Of The Planet
JOE ROMM – Climate Progress
Phi Beta Iota: The federal government — which should not own any land at all — owns most of the west. States should be giving serious thought to ending federal ownership of land at the same time that they begin nullifying insane federal policies that are clearly inimical to society. What the west needs is a Manhattan Project to desalinate massive amounts of water and bring them from the sea inland using solar power, while creating hydroponics industries and ending all fracking and all contamination of groundwater from any source including mega-agricultural fertilizers and toxins.