Space-baced approaches for solar radiation management provide an alternative. Regional weather changes, the nature of deployment programs, and long-term environmental effects will inevitably cause uneven society hardships and benefits, arguing that other approaches should be prioritized. However, their overall impact may be difficult to predict owing to uncertainties in how they may be circulated and their interaction with clouds. For historical context, aerosols in the Earth’s atmosphere can potentially serve as light reflectors or absorbers that redistribute solar radiation.

The target attenuation of sunlight, based on modeling, is approximately 1–2%. One class of strategies for combating climate change is to reduce the solar irradiance by intercepting sunlight before it reaches Earth. Increased entrapment of solar energy, the result of changes in composition of the Earth’s atmosphere, is acknowledged to be a severe problem. The funder(s) had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.Ĭompeting interests: The authors have declared that no competing interests exist.Ĭlimate change on Earth is an existential threat. įunding: The University of Utah Office of Undergraduate Research provided a stipend to co-author SHK through the Undergraduate Research Opportunity Program ( ).

We generate figures from the data in-core with Python scripts available now as a tar file in a new Github repository. The work is made available under the Creative Commons CC0 public domain dedication.ĭata Availability: The only actual data specific to our study is now available in S1 Table. This is an open access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

Received: AugAccepted: DecemPublished: February 8, 2023 Citation: Bromley BC, Khan SH, Kenyon SJ (2023) Dust as a solar shield.

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