"I think I know which one I will pick."

Then you need to find out if anyone agrees with you, and work out some plan to ...ummmm.....expedite this great 'move' you advocate and convince places like Canada they they need to prepare to accept 23-30 million more folks.

What *I* said is, that if climate conditions change enough, moving WILL occur...gradually, and negotiations (both friendly & not) will happen....(and IF climate changes enough, some will die...whether King Al was ignored or not)