ตอนล่าสุด

S1 · ตอน 12 — New Worlds · 1984-04-12

This episode explores the effect man has had and is having on the natural environment and the effect nature has on man. Includes domesticating animals, clearing forests, introducing different species, farming development and techniques. The episode also covers animals that live in cities and other urban environments and the effects of pollution, over-fishing, short sighted decisions and the ever-growing population of man.