Solar Geoengineering to Stop Annual Global Warming

Alec Feinberg

doi:10.20944/preprints202307.1580.v1

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preprints.org > environmental and earth sciences > environmental science > doi: 10.20944/preprints202307.1580.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Solar Geoengineering to Stop Annual Global Warming

Alec Feinberg

Version 1 : Received: 22 July 2023 / Approved: 24 July 2023 / Online: 24 July 2023 (09:31:35 CEST)
Version 2 : Received: 15 September 2023 / Approved: 15 September 2023 / Online: 15 September 2023 (13:00:42 CEST)
Version 3 : Received: 18 September 2023 / Approved: 19 September 2023 / Online: 21 September 2023 (09:45:43 CEST)

A peer-reviewed article of this Preprint also exists.

Feinberg, A. Annual Solar Geoengineering: Mitigating Yearly Global Warming Increases. Climate 2024, 12, 26, doi:10.3390/cli12020026. Feinberg, A. Annual Solar Geoengineering: Mitigating Yearly Global Warming Increases. Climate 2024, 12, 26, doi:10.3390/cli12020026.

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, higher feasibility is provided for solar geoengineering applications by focusing on physics-based estimates to stop annual increases in GW. Annual solar geoengineering (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. Results indicate that AI paint drone technology is likely needed for Earth brightening to meet annual mitigation goals. As well, results indicate 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. A serious issue with implementing ASG is the problem of worldwide negative SG which currently dominates yearly practices with the application of dark asphalt roads and roofs. This issue is discussed.

Keywords

Solar geoengineering; Modeling; Space Mirrors; Earth Mirrors; Desert Modification; Space Clusters; Stratosphere Injection

Subject

Environmental and Earth Sciences, Environmental Science

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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