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Revisión actual del 18:43 14 jul 2011
STATE OF THE WORLD, WORLDWATCH INSTITUTE 1987
The 1987 report assesses human-caused disruptions of global chemical cycles; evaluates the worldwide reappraisal of nuclear power after the Chernobyl accident; profiles the accelerating urbanization of the world's population; discusses the shift to reliance on markets in a growing number of countries; and advocates new initiatives in recycling materials and raising agricultural productivity.