Population growth stopped exceeding productivity growth when we figured out how to do everything with energy taken from non-renewable natural resources. We grow

Population growth stopped exceeding productivity growth when we figured out how to do everything with energy taken from non-renewable natural resources. We grow people from oil, cities from oil, etc. Malthusian limits may not be an issue as long as we have oil, but of course we also are making earth inhospitable to human life as we go.