Paul R. Ehrlich, Paul Ralph Ehrlich, Anne H. Ehrlich
Population, Resources, Environment
Issues in Human Ecology

Population, Resources, Environment Issues in Human Ecology

Numbers of peoples. Population structure and projection. The limits of the earth. Food production. Environmental threats to man. Ecosystems in jeopardy. Optimum population and human biology. Birth control. Fa, ily planning and population control. Social, political, and economic changes. The international scene.
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