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Well, some of the problems might be cured by simply working harder to industrialize the world. There is no first-world nation with a population explosion; in fact, in America, if we didn't have the effects of immigration, we'd be continuously decreasing in population -- Americans, on average, have only 1.9 children per couple, as opposed to the 2.3 or 2.4 needed to maintain the population.
No first world nation truly has population problems; few even have growing populations. It's primarily in poor nations that populations are skyrocketing.
In a way, it makes sense -- in nations where you're likely to lose more than one child to premature death, you have more to compensate. E.g. Iraq's population is predicted to double in 20 years time; 12.5% of their children are dead before age 5.
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