The Nature of Things

Danger: Man At Work - Air Pollution (10x4)

Date de diffusion: Oct 15, 1969

Fourth program in a six-part series on pollution. The program show the history of air pollution from the advent of coal-burning in the 14th Century, through the Industrial Revolution. Only quite recently has pollution increased in volume to the point where life on earth is threatened. Incomplete combustion of fuels, vehicle exhausts, smog and wastes from industry are all contributing.