Advertisement

how many people can live on earth pt1

In a Horizon special, naturalist Sir David Attenborough investigates whether the world is heading for a population crisis.
In his lengthy career, Sir David has watched the human population more than double from 2.5 billion in 1950 to nearly seven bi
(more)


Details:
Options:

Rate this video:
 Excellent (
 Good (
 Average (
 Bad (
 Awful (