Résumé :
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With issues like global warming and the loss of biodiversity becoming increasingly important to policymakers and scientists worldwide, the issue of sustainability cannot be ignored as we move toward the twenty-first century. Not surprisingly, the sustainable management of the biosphere has in recent years been the subject of much attention among ecologists, environmental engineers, and other members of the scientific community. Yet although these issues are clearly rooted in economic behavior and organization, the question of sustainability is not one that has been addressed directly by economists. Now, with Valuing the Future, economist Geoffrey Heal presents a coherent framework for understanding the Earth's future from an economic perspective. Heal's model begins with a reconciliation of the economist's and environmentalist's time horizon: in economics, discussions of "the long run" generally refer to a much shorter timeline than do those of the earth sciences.
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