Reaping the benefits of renewables in a nonoptimal world.

نویسندگان

Ottmar Edenhofer

Brigitte Knopf

Gunnar Luderer

چکیده

Positive and negative side effects of economic activities—“externalities” in the language of economists—are universal in the energy sector. Coal-fired power plants not only produce electricity, but also CO2, which contributes to global warming, and local air pollutants such as sulfur dioxide (SO2), which have adverse health effects on the population living downwind of the smoke stacks. The study by Siler-Evans et al. (1) analyzes the combined health, environmental, and climate benefits from solar and wind power and finds that these benefits feature strong regional variations. Crucially, they quantify the synergies between renewable energy policy and health and climate protection and demonstrate that they can be optimized if support schemes incorporate regional differences in benefits. The study is timely and provides insights into a number of ongoing scientific and policy debates not only in the United States but also in the European Union (EU) and other global regions. We explore these insights in the following analysis.

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