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Having said all of that, the whole point is moot. There are dire situations that are looming on this planet - economic, political, ethnic, & religious turmoil along with over population - that will render Climate Change to be a very minor player, if at all.
I wouldn't worry about it...
TAM
The sum of the whole is much nastier than its individual parts. It all adds up to a big mess eventually. That said, you tell Pacific islanders who's homes are slowly disapearing beneath the waves that climate change is minor. Its a matter of perspective.