By current estimates, the world's population stands at 7 billion. As
with all huge crowds, this could create problems with catastrophic
consequences for the entire planet, from the the depletion of natural
resources, to the management of toxic waste, and climate change. Or so
think scientists who are sounding the alarm that overpopulation is the
major threat to human survival. Fact or myth? Werner Boote tries to
answer this question on his travels across the globe, from the slums of
Kenya to Dhaka, Bangladesh, the world's most populous region, to New
York City.
