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Index/Topics/Aerosol Injection

Aerosol Injection

The process of injecting particles into the stratosphere to reflect sunlight and cool the surface.

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Jan 12, 2026
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What is solar geoengineering research, and could it ever be implemented using aircraft?

Solar geoengineering research studies deliberate techniques to reflect a small fraction of sunlight back to space or otherwise alter Earth's radiative balance to temporarily reduce warming, most commo...

Jan 13, 2026

What proposals for deliberate large-scale geoengineering have been published, and how do they differ from operational cloud seeding?

Deliberate large-scale geoengineering proposals fall into two broad camps—solar radiation management (SRM) methods that try to reflect sunlight and rapidly cool the planet, and carbon dioxide removal ...