Updated blog post. "As the visibility of solar geoengineering research grows, we thought it would be useful to provide a publicly accessible record of the solar geoengineering projects that have been funded over the past ten years."

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"While solar geoengineering could limit some harmful climate impacts, these approaches could also have adverse impacts and would not address the root cause of climate change: rising emissions of heat-trapping gases from burning fossil fuels – or some of the resulting impacts, such as ocean acidification. We also know very little about how it could impact regional weather patterns, global politics, and efforts to curb global warming emissions."

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"In the face of rising global temperatures, deploying technologies to change Earth's climate has gone from thought experiment to reality. We already capture carbon and store it underground. Now some researchers are suggesting we should spray the clouds with particles to reflect sunlight, fertilize the oceans to promote carbon-absorbing plankton growth, or build a gigantic shade that orbits Earth and opens as needed to shield the planet from the sun. Welcome to the Anthropocene — the era of humans engineering the world in unprecedented ways."

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Sugiyama, Masahiro; Arino, Yosuke; Kosugi, Takanobu; Kurosawa, Atsushi; Watanabe, Shingo (2017): Next steps in geoengineering scenario research. Limited deployment scenarios and beyond. In Climate Policy 18 (6), pp. 681–689. DOI: 10.1080/14693062.2017.1323721.

" In light of concerns over risks, a newer set of scenarios is desirable, which represents both uncertainties and social choices more fully. Borrowing and extending lessons from recent literature on the new community climate scenario process, we envision a possible scenario-building process that combines interdisciplinary scholarship with the involvement of stakeholders and citizens. The resultant scenarios would better characterize uncertainties of, and policy choices for, solar geoengineering, and foster critical appraisal of its risks and benefits."

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