As the Copenhagen summit draws to a close, there has been no deal on reducing emissions. No deal on which to base mankind’s future on this planet. Some states (USA, Brazil, South Africa, India and China) have agreed to limit global temperature increases to 2C, but have not agreed on how to implement this. It has been referred to as a ‘first step’. If this is true, then what was Kyoto? That was 12 years ago, and...