Overpopulation is not a problem because the current population is under the limit of the amount of people the Earth can feed and most models think the current t

Overpopulation is not a problem because the current population is under the limit of the amount of people the Earth can feed and most models think the current trend will reverse before we pass that point. For the rest, you have it backward. The only reason we can feed that many people is the green revolution. Subsistence farming is simply not productive enough. It would have led to famine as soon as sixty years ago.