https://www.preprints.org/manuscript/202307.1580/v3

Authors

Alec Feinberg <https://sciprofiles.com/profile/955876>

Received: 18 September 2023 / Approved: 19 September 2023 / *Online: 21
September 2023*

How to cite: Feinberg, A. Annual Solar Geoengineering: Mitigating Yearly
Global Warming Increases. *Preprints* *2023*, 2023071580.
https://doi.org/10.20944/preprints202307.1580.v3 Feinberg, A. Annual Solar
Geoengineering: Mitigating Yearly Global Warming Increases. Preprints 2023,
2023071580. https://doi.org/10.20944/preprints202307.1580.v3Copy
Abstract
Solar geoengineering (SG) solutions have many advantages compared to the
difficulty of carbon removal (CR): SG produces fast results, is shown here
to have much higher efficiency than CR, is not related to fossil fuel
legislation, and is something we all can participate in brightening the
Earth with cool roofs, and roads. SG requirements detailed previously to
mitigate global warming (GW) have been concerning primarily because of
overwhelming goals and climate circulation issues. In this paper, the
advantages of annual solar geoengineering (ASG) to mitigate yearly global
warming increases are explored and detailed as it provides higher
feasibility in geoengineering applications. ASG area modification
requirements found here are generally 50 to possibly higher than 150 times
less compared to the challenge of full SG GW mitigation reducing
circulation concerns. Results indicate that there are mixed technologies
that can help meet annual mitigation Earth brightening goals. As well,
results show much higher feasibility for L1 space shading compared to prior
literature estimates for full GW mitigation. However, stratosphere
injections appear challenging in the annual approach. Because ASG earth
brightening area requirements are much smaller than those required for full
mitigation, we have concerns that worldwide negative SG would interfere
with making positive advances for several reasons. Negative SG currently
dominates yearly practices with the application of dark asphalt roads and
roofs. This issue is discussed.
Keywords
solar geoengineering; space mirrors; earth mirrors; desert modification;
space clusters; stratosphere injection

*Source: Preprints.org*

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