A well-known nightmarish vision of the future: The Earth's population reaches seven billion. Dwindling resources, mountains of toxic waste, hunger and climate change—the results of overpopulation? Who says that the world's overpopulated? And who's one too many?

After the box-office success of "Plastic Planet," in POPULATION BOOM curious documentary filmmaker Werner Boote travels the globe and examines a stubborn view of the world that has existed for decades. But he sees a completely different question: Who or what is driving this catastrophic vision?