The Population Explosion: Why We Should Care and What we Should do About It. (summary)

The Population Explosion: Why We Should Care and What we Should do About It
by Paul R. Ehrlich & Anne H. Ehrlich

This article talks about the worlds population explosion and its direct connection to the degredation of the environment as well as the rapid loss of biodiversity. It goes on to explain the model of population impact on life support systems "The number of people (P), multiplied by per capita affluence (A) or consumption, in turn multiplied by the technologies employed to service the consumption, in turn multiplied by an index of the environmental damage caused by the technologies employed to service the consumption (T), gives a measure of the environmental impact (I) of a society. This is the basic I=P x A x T identity often just called the I = PAT equation." This equation is important because It shows how each factor is dependent and a multiple of each other . Usually environmental aspect of the situation giving a very shallow perception of the entire issue.

From article 36 of
Sources: Enivronmental Studies by Thomas Easton