
There is this quote about fossil fuels.
$this->bbcode_second_pass_quote('', ' ')“Those who say the whole problem is population are wrong,” Joel Cohen says. “It’s not even the dominant factor.” To stop global warming we’ll have to switch from fossil fuels to alternative energy—regardless of how big the population gets.
This assumes that there is enough alternative energy to support eight billion people. That may well be the question of the century.