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Stratospheric Aerosol Injection (SAI) proposals involve releasing large quantities of sulfur particles (such as sulfur dioxide) into the stratosphere (the upper layer of the atmosphere) to act as a reflective barrier against incoming sunlight. Proposals range from shooting particles from artillery guns, using large hoses or releasing particles from the back of aircraft. Self-levitating particles, as well as using other reflective minerals (like titanium and aluminum), are also being considered.
Product details
Date of Publication
January 2021
Publisher
Heinrich-Böll-Stiftung
Number of Pages
6
Licence
Language of publication
English
Table of contents
- Description and purpose of the technology
- Actors involved
- Impacts of the technology
- Reality check
- Further reading
- Endnotes