Earlier quoted context omitted.
Bringing a child into the world to increase my own personal happiness, when nothing else I could do has such a direct and massive climate impact, is not something I can justify personally. Not to mention, my child would have to live to see the impacts of climate change. There is coming a point (it has already passed, in my opinion), where we can no longer justify our purpose for existence as "creating more humans."
That's an extremely negative-sum way of viewing the world. Some individual humans (and even communities) can and have had a net-positive impact on the environment. For instance, did the parents of Greta Thunberg have a net-negative impact on the world by choosing to bring her into it? When people implicitly say that bringing children in the world is necessarily a net-negative on climate, they're implying that their l…
We have too many people on the planet. Carbon emissions is only one of the many huge environmental problems we have. Creating new consumers to the planet is clearly the most devastating act for the environment what individual people can do.