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 79. Changes are also required in the attitudes and procedures of both public and private-sector enterprises. Moreover, environmental regulation must move beyond the usual menu of safety regulations, zoning laws, and pollution control enactments; environmental objectives must be built into taxation, prior approval procedures for investment and technology choice, foreign trade incentives, and all components of development policy.

80. The integration of economic and ecological factors into the law and into decision making systems within countries has to be matched at the international level. The growth in fuel and material use dictates that direct physical linkages between ecosystems of different countries will increase. Economic interactions through trade, finance, investment, and travel will also grow and heighten economic and ecological interdependence. Hence in the future, even more so than now sustainable development. requires the unification of economics and ecology in international relations, as discussed in the next chapter.

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IV. CONCLUSION
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81. In its broadest sense, the strategy for sustainable development aims to promote harmony among human beings an between humanity and nature. In the specific context of the development and environment crises of the 1980s, which current /…