ta871263

http://geology.com/sea-level-rise/new-orleans.shtml

Not an expert by any means, but aren't we looking at +2 meters sea level rise by 2100? Maybe less than 1 meter by 2050? Try it out!

IMHO, it would be better not to wait for global warming to take care of this for us. Coastal erosion due factors other than climate in Louisiana is a different (probably more urgent) problem which actually can be solved without world government. Just better government in Louisiana, which...well, OK, yeah, it's probably not going to happen. :)

There were Roman soldiers from all over the Empire in Britain because the Romans invaded Britain. It was not exactly a consensual exchange. "The past had diversity too" triumphalism should be evaluated at least partially in that light.