More insanity from Paul Krugman: Now he envisions a world where because of CO2 "a couple of centuries’ worth of urban development and infrastructure has been drowned by rising sea levels and/or made useless because previously habitable regions need to be abandoned"

Dicing With The Climate - NYTimes.com

The second point is how we know that climate change is a bad thing — a question I sometimes get asked. The questioners wonder why the fact that, say, more of Canada becomes agriculturally viable doesn’t offset the damage in places that get too hot.

My first-pass answer is that we have a global economy that is adapted to historically normal climate — not just in terms of what is grown where, but in terms of where we locate our cities. In the long run, after a couple of centuries’ worth of urban development and infrastructure has been drowned by rising sea levels and/or made useless because previously habitable regions need to be abandoned, we might be able to reconstruct an equally productive economy; but in the long run …