Whether you believe in climate change or not, it is very foolish to believe that a population can exponentially expand without affecting its environment, let alone that a population can expand while its food supply, oil supply, clean water supply, and clean air supply are all shrinking.
More people less energy = death.
More people renewable energy = life.
Deny global warming all you want, but you can't argue with renewable energy being absolutely mandatory for the success of our species.