Economic interests and ideologies behind solar geoengineering research in the United States
Solar geoengineering research – also discussed as solar radiation management or stratospheric aerosol injection – is often thought of as a futuristic climate emergency measure, or as a tool of the fossil fuel industry to push back energy transitions as much as possible. In this post, we show that solar geoengineering is mostly now supported by […]
Why the new “Letter of Support for Solar Geoengineering Research” is misguided
The normalization of solar geoengineering as part of climate policy is progressing, with growing numbers of journal articles by geoengineering research advocates, editorial pushing by some science journals, and supportive actions by a few science networks in the United States. However, the opposition to solar geoengineering in global academia is growing as well, and more […]
Who funds and who pays: The funding of solar geoengineering, 2020–2025
On October 24, 2025, Politico reported the Israeli-U.S. solar geoengineering startup Stardust Solutions would receive $60 million from Lowercarbon Capital and other Silicon Valley philanthropies and investment firms. This announcement renewed discussion about who funds solar geoengineering and who receives this funding. Scientists have long argued that researching these technologies may enable their use. Funding […]