I don't think we're yet evolved to the point where we're clever enough to handle a complex a situation as climate change. The inertia of humans is so huge that you can't really do anything meaningful.
I'll never forget one morning I walked in and I had a hell of a bruise - it had been a difficult night the night before - and a client said to me 'Good God Vidal what happened to your face?' And I said 'Oh nothing madam I just fell over a hairpin.'