Introduction to Solar Radiation Modification
Solar Radiation Modification (SRM) approaches – also known as solar radiation management, or solar geoengineering – would aim to reflect sunlight back into space, or allow more heat to escape Earth’s atmosphere, in order to reduce the global temperature.
They would not address the causes of climate change and so are not a substitute for reducing emissions or removing carbon dioxide from the atmosphere, and adaptation.
At best, they might ‘buy time’ while those measures are accelerated. For now, SRM technologies are mostly theoretical, and we know little about their potential effects. But if ever deployed at scale, some could create long-term risks and governance challenges.
What do SRM approaches
is needed for SRM?
What are some of the
big questions about SRM?
Learning more about Solar Radiation Modification
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