Titlebook: Rethinking Development; Marxist Perspectives Ronaldo Munck Book 2021 The Editor(s) (if applicable) and The Author(s), under exclusive licen

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ural changes and those now being induced by man are their rel- ative rates of change. The magnitude of present day fluxes of some com- pounds released as air pollutants is in some cases much larger than those arising naturally. In other cases, for example carbon dioxide, the an- thropogenic emission

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Ronaldo Muncklar ozone depletion (see Chapter 2). The relationship between ozone and CFCs is now well documented, but it should be realized that CFCs are present in the atmosphere at mixing ratios below 1 ppbv (parts per billion by volume; billion = 10.), and the chemical measurement technology which allows the

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