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Stolarski, Richard S. – Scientific American, 1988
Discusses the Airborne Antarctic Ozone Experiment (1987) and the findings of the British Antarctic Survey (1985). Proposes two theories for the appearance of the hole in the ozone layer over Antarctica which appears each spring; air pollution and natural atmospheric shifts. Illustrates the mechanics of both. Supports worldwide chlorofluorocarbon…
Descriptors: Air Pollution, Chemistry, Climate, Earth Science
United Nations Environment Programme, Nairobi (Kenya). – 1987
Two things make water a unique natural resource: (1) water is essential for human survival; and (2) the total amount of water in the world is constant. This document focuses on the increasingly difficult task of satisfying the collective thirst of people, industry, and agriculture without damaging the world's limited resources of fresh water. It…
Descriptors: Climate, Depleted Resources, Drinking Water, Ecological Factors
