New study makes controversial weather-tweaking idea more realistic

Stratospheric aerosol injection is a method in which aerosols are injected into the earth’s stratosphere to reduce the amount of sunlight reaching the surface. It’s controversial because its effects are global: if one country injects aerosols into the stratosphere, all countries will be affected and not always in a good way

Jun 9, 2025 - 01:14
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New study makes controversial weather-tweaking idea more realistic
Stratospheric aerosol injection is a method in which aerosols are injected into the earth’s stratosphere to reduce the amount of sunlight reaching the surface. It’s controversial because its effects are global: if one country injects aerosols into the stratosphere, all countries will be affected and not always in a good way