The greenest people are north Americans (excluding Mexico) and Europe. They just so happen to not have any kids.
The solution is to put the economic burden of pollution onto those that cause it the most and right now the biggest burdens are on western states who do the most already to greenify their economies.
And don't post the innane," they're poor and need to burn coal to get ahead!". India is the worst offender with dumping plastic in the ocean. China is even worse with industrial pollutants destroying what good land they had.
The 3rd world needs to be brought to heel if climate change is to be stopped.