Solar Radiation Modification
Solar Radiation Modification (SRM), also known as Solar Radiation Management, Radiation Modification Measures or Solar Geoengineering, would aim to address a symptom of climate change by reflecting more sunlight back into space, or by allowing more infrared radiation from Earth to escape, in order to reduce the Earth’s temperature. It includes numerous proposed methods which differ significantly. None are ready for deployment. Solar Radiation Modification could not be a substitute for reducing emissions, or removing atmospheric CO2.
Infographics
Insight videos
Publications
- 14 September 2023 Status of global activities on solar radiation modification and its governance
- 6 Mar 2023 Status of global activities on solar radiation modification and its governance
- 16 Aug 2022 Solar Radiation Modification: Moral hazard – Moral imperative (中文) (Français) (Español)
- 16 Aug 2022 Solar Radiation Modification: What does the IPCC tell us? (中文) (Français) (Español)
- 9 Aug 2022 Solar Radiation Modification: Potential options for international governance (中文) (Français) (Español)
- 7 April 2022 Briefing Note: Solar Radiation Modification in the IPCC AR6 WG III (中文) (Français) (Español)
- 7 April 2022 Solar Radiation Modification: Governance gaps and challenges (Summary) (中文) (Français) (Español)
- 8 Mar 2022 Solar Radiation Modification: A Risk-Risk Analysis (Summary) (Français) (Español)
- 8 Mar 2022 Briefing Note: Solar Radiation Modification in the IPCC AR6 WG II (中文) (Français) (Español)
- 10 Aug 2021 Briefing Note: Solar Radiation Modification in the IPCC AR6 WGI
- 2 August 2021 Evidence Brief: Climate-altering Approaches and the Arctic
- 25 Mar 2021 Policy Brief: Stratospheric Aerosol Injection and its Governance
- 25 Mar 2021 Evidence Brief: Stratospheric Aerosol Injection and its Governance
- 17 Mar 2021 Policy Brief: Climate-Altering Approaches and the Arctic (中文) (Français) (Español) (Pусский)
- 26 Nov 2019 Policy Brief: Governing Solar Radiation Modification (中文) (Français) (Español)
- 21 Jan 2020 Evidence Brief: Governing Solar Radiation Modification (中文) (Español) (Français)
- 5 Aug 2019 Policy Brief: Governing Marine Solar Radiation Modification (中文) (Français) (Español)
- 9 Aug 2019 Evidence Brief: Governing Marine Carbon Dioxide Removal and Solar Radiation Modification
- 25 May 2018 Carbon Removal and Solar Geoengineering: Potential implications for delivery of the Sustainable Development Goals
Blogs
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Videos
Governing SRM Research: Insights from Marine Cloud Brightening and the Great Barrier Reef
Climate change poses huge threats to Australia’s Great Barrier Reef, which may lead to profound environmental and socio-economic consequences in the region. In response to these risks, scientists are considering the viability of developing and deploying Marine Cloud...
What is Solar Radiation Modification? – Janos Pasztor
C2G Executive Director Janos Pasztor talks about Solar Radiation Modification and why it requires governance.
How do you assess the risks of climate-altering technologies? – Janos Pasztor
C2G Executive Director Janos Pasztor talks about assessing the risks of climate-altering technologies, and particularly those related to Solar Radiation Modification.
Icons
In the interest of promoting global discussion about the need for governance of Solar Radiation Modification, C2G developed a set of icons representing these approaches, available to all to use freely.
The icons are available in png and svg file formats.
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. No attribution is needed, but if you do use attribution, please credit C2G.