The world has developed a lot in 40 years, that's a pretty silly comparison. But let's play this game -- the cost of delay is now more like 800 gigatons of CO2.

The world has developed a lot in 40 years, that's a pretty silly comparison. But let's play this game -- the cost of delay is now more like 800 gigatons of CO2. It wasn't worth it, but I'm glad the bleeding has finally begun to slow.