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Can Regulators Ensure Environmental Sustainability?

Sustainability is an urgent concern that grows in importance as the earth’s fragility becomes increasingly apparent. Regulating in order to promote sustainability, however, brings a number of challenges. The first section of this chapter discusses those general challenges and the second section deals with a specific issue of central importance to sustainability—the control of carbon emissions. Central questions explored include: Is the idea of sustainability too elusive to allow its protection through regulation? How can regulators address the special challenges presented by future and contested harms? What strategies are available to rise to the challenges of regulating so as to foster sustainability? The discussion of responses to carbon and other greenhouse gases deals with the scale of the problems and the regulatory tools available to achieve the decarbonization targets now adopted by governments, including carbon taxes, tradable emissions permits, electric vehicles, and the replacement of gas in home heating.