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Can solar geoengineering mitigate both climate change and income inequality?

[2020.01.13, Mon 10:03] New research from the University of California San Diego finds that solar geoengineering-the intentional reflection of sunlight away from the Earth's surface-may reduce income inequality between countries. Using a state-of-the-art macroeconomic climate impacts assessment approach, the paper is the first to look at the economic impacts of climate projections associated with solar geoengineering. While the effects for each individual country can vary across models, the changes in temperature associated with solar geoengineering consistently translate into a 50 percent reduction of global income inequality. "Our finding of consistent reduction in inter-country inequality can inform discussions of the global distribution of impacts of solar geoengineering, a topic of concern in geoengineering ethics and governance debates." While the economic models used in the study do not reveal the impacts solar geoengineering has on income inequality within countries' borders, the research results on GDP growth provide incentive for additional work on the global governance of solar geoengineering. More information: "Climate econometric models indicate solar geoengineering would reduce inter-country income inequality," Nature Communications. Citation: Can solar geoengineering mitigate both climate change and income inequality? retrieved 13 January 2020 from https://phys.org/news/2020-01-solar-geoengineering-mitigate-climate-income.
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