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Cirrus Cloud Thinning (CCT) is a solar geoengineering proposal which aims to eliminate or thin cirrus clouds to allow heat to escape into space. Wispy, elongated “cirrus” clouds are found at high altitudes, and often absorb more incoming solar energy than they reflect, because they form in cold temperatures and consist of ice crystals. If the ice crystals are numerous and small, cirrus clouds prevent long-wave terrestrial radiation from escaping back into space, and have a climate impact similar to greenhouse gases.
Product details
Date of Publication
January 2021
Publisher
Heinrich-Böll-Stiftung
Number of Pages
4
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