Humans do not necessarily reproduce exponentially. Hans Rosling's TED talks feature, as a central theme, that the population can stabilize at 9 billion with the

Humans do not necessarily reproduce exponentially. Hans Rosling's TED talks feature, as a central theme, that the population can stabilize at 9 billion with the right initiatives and social changes. http://www.ted.com/talks/hans_rosling_on_global_population_growth.html http://www.ted.com/talks/hans_rosling_on_global_population_g...