The Nature of Things
Air and Water Pollution (7x3)
Date de diffusion: Juil 04, 1966
This program explores the serious problem of pollution, which results when more waste materials are poured into the air and water than these elements have the capacity to deal with, a situtation which has resulted in city smog and the "death" of numerous bodies of water.
- Première: Nov 1960
- Épisodes: 1046
- Abonnés: 14