Population

All environmental issues are ultimately population issues. Even the most wasteful and polluting industrial processes would have minimal environmental impact if the population were small enough.

While this might lead some to say "Thanos was right", this is fortunately a problem can easily solve itself without resorting to genocide or authoritarian limits on births.

All evidence shows that education, especially women's education, low infant mortality, and access to birth control naturally result in a declining population.

We just need to avoid creating economic systems that rely on an increasing population to fund things like retirement pensions and growth for growth sake economics.

Why Population is Actually a Problem (Video)

This video gives a detailed and nuanced breakdown of the way population issues are approached by mainstream left and right politics. It rightly points out that population trends are already self-correcting, and that fossil fuels are the primary driver of climate change. However, this argument focuses on solving climate change to the exclusion of all the other environmental and quality of life issues caused by overpopulation.

It is important that population continues its downward trend and we don't start listening to those who are saying we need more people. There are a million ways we can destroy our ecosystem, and a million annoyances caused by too many people. Reducing the population helps prevent all of them.