Climate Change II : Effects of a Warming Change

The next issue is whether global warming is good or bad for a) the world as we know it and b) humans.  Aside from the enthusiasts for having apple orchards in the Arctic and banana trees in Brooklyn (yes, I actually read that some years back--someone thinking that you could easily turn tundra into farms) the harm done to our existing ecosystem and human society and culture is clear.

Global warming has a negative effect on agriculture--our food source--in multiple ways.   Successful...