Tropical forests form the most diverse and complex ecosystem on eartha virtual powerhouse of evolutioncontaining 40 percent of all living species. They provide us with food, medicines, germplasm stocks to replenish our crops, and new types of energy sources. It is clear we cannot afford to lose our tropical forests. But we are losing themto the overexploitation of multinational corporations, to the severe economic needs of the Third World, and to the consumerist appetites of the developed nations. Where is this happening and why? The answers to these critical questions are set forth eloquently by Norman Myers, one of the worlds leading experts on the environment and the author ofWith extensive knowledge and avid enthusiasm. . . . Myers, a worldwide conservation consultant, presents a sobering, consciousness-raising account of the environmental crisis that will develop if the thoughtless exploitation of tropical forests is allowed to continue. . . . An important contribution. ALA