Critical Mass
Things aren't looking good for the world's population; as we multiply at an alarming rate there is not enough food, space... or sense. This intelligent film interweaves a fascinating 1960s rat experiment by Dr. John B. Calhoun with a slick snapshot of today's urban jungle.
- Year : 2013
- Country : United Kingdom
- Genre : Documentary
- Studio :
- Keyword : overpopulation, environmental issues, population growth
- Director : Mike Freedman
- Cast : Robert Rapier