Climate engineering by Passive daytime radiative cooling: Moving beyond materials towards real-world applications

[Renaud de RICHTER]

Aili, A., Jiang, T., Chen, J., Wen, Y., Yang, R., Yin, X., & Tan, G. (2024). Passive daytime radiative cooling: Moving beyond materials towards real-world applications. Next Energy, 3, 100121. https://doi.org/10.1016/j.nxener.2024.100121

Highlights

    •     Applications in five major categories are summarized: green buildings, power generation, personal thermal management, food and water security, and climate engineering.
    •     More than fifteen sub-category applications are reviewed, each discussed with selective articles.
    •     Technology readiness of each application is assessed based on the availability of real-world demonstrations and developments in commercialization.

Subchapters  Open access

2.5. Climate engineering

2.5.1. Urban heat island (UHI) mitigation

2.5.2. Solar geoengineering

Note: Daytime radiative cooling is not part of Sunlight Reflection Methods (SRM targeting shortwave radiation) but of Earth Radiation Management Technologies (ERM targeting longwave radiation) such as Cirrus Clouds Thinning (CCT), which allows more infrared heat to escape into space.

See for instance:

* Munday, Jeremy N. "Tackling climate change through radiative cooling." Joule 3.9 (2019): 2057-2060.

* Zevenhoven, R., & Fält, M. (2018). Radiative cooling through the atmospheric window: A third, less intrusive geoengineering approach. Energy, 152, 27-33.

* de Richter, R., Ming, T., Liu, W., & Caillol, S. (2014). Fighting global warming by climate engineering: Is the Earth radiation management and the solar radiation management any option for fighting climate change?. Renewable and Sustainable Energy Reviews, 31, 792-834.

[Jeff Suchon]

Great post! Am, like many  into reflection as a necessity while we drawdown. But, we can adapt better with emissive 8-13 micron surfaces, especially in heated urban areas. This is kinda srm but they call it erm. Very useful.

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