D'oh. I somehow misplaced my vote and can't correct it.

_{*Lunatic*, n.
One whose delusions are out of fashion.}

I read somewhere that we must reduce the average global emission to 1,2 tons per capita and year. Then nature could take it. But I don't know at which population it was from. If it was at 6 billion, emissions must be reduced to 0,8 tons per capita in a world of 8-9 billion, which is probably where we are heading.

Peak oil is not an energy crisis. It is a liquid fuel crisis.