What will happen to the world if it becomes overpopulated?
Depends. Some countries like Canada and Russia have MORE than enough room to house plenty of people. Both are bigger than America and China (with one billion people) so they could easily have as many people as China and America can, without stretching their resources to the max. We will not run out of water (renewable resource), and more than likely we’ll start using more things that could be recycled and make more farm towers (like skyscrapers/high rise, but instead the only thing they have on them/in them is food), or whatever they’re called so we could have more land available. So the land needed for stuff like this would be used to house humans. Still, when and if we ever become overpopulated then I think we’ll just start expanding, and not on Earth, but in space, and on other planets. Living underwater is a possibility. It would be much easier to do that than go set up a colony on Mars/the moon. If that never happens, then when the world becomes overpopulated (it already is in som