I've got to agree with the population control idea. It seams quite obvious that population increase exacerbates anthropogenic environmental problems, as well as over-taxing natural resources. When we run out of clean water, clean air, food, or energy, the human race will be in big trouble. It's not a world I'd like to see, or to pass on to future generations.

The solution is a difficult one, however. How do you convince the world to have less children? China's "one child" policy is effective. Even though the motivation for having no more than one child is economic in China, Americans view it as intrusion into private life. I believe that education is key. The more people know that having 10 children is dooming those very children - and their offspring - to a bleak future, the more who might have just one or two. (Remember, 2 kids per family is less than repopulation, the population will slowly drop because not each of the 2 children per family will reproduce.)

Another key step in curbing overpopulation would be for the Pope to reverse the Catholic church's anti-birth control stance.

All the technology in the world is not going to save us from our current trend of population explosion.