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Prologue: Our Changing Planet
Pages 1-2

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... The industrialization of the planet in the 19th and 20th centuries has given rise to a new set of concerns, namely, that human activity may be adversely affecting the earth system. Recent events, such as the discovery of the Antarctic "ozone hole" and the 1988 North American drought, have led to calls for fundamental change in the economic and social policies of both industrialized and developing nations.


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