Colcom Foundation Explains the Equation Behind Its Conservation Work
Four letters and one equation sit at the center of Colcom Foundation's environmental philosophy. The equation, I = P x A x T, was developed by environmental scientists Paul Ehrlich and John Holdren. It states that environmental impact (I) equals population size (P) multiplied by per capita affluence or consumption (A) multiplied by the efficiency of technology (T). Three Variables, One OutcomeA recently updated page on the Colcom Foundation...