That's easy. China solved these problems a long time ago. First of all, you wouldn't be allowed to have two kids, because having more than one child would viol

That's easy. China solved these problems a long time ago. First of all, you wouldn't be allowed to have two kids, because having more than one child would violate the climate laws of the future. The other reason this would never be a problem: Your kids can only live in a government-designated city. This would be enforced by a strict, all-knowing central government that will allocate people to living spaces based on what is best for the environment.