In the cases where the climate changed as fast as it's changing now, it was pretty hard on the life-forms that were around (many went extinct). As life-forms that are around, and are intelligent enough to think about that, we should take this very seriously, even if we're adaptable enough to survive.
Written by Rex Kerr
One who rejoices when everything is made as simple as possible, but no simpler. Sayer of things that may be wrong, but not so bad that they're not even wrong.