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Which proposed solar geoengineering technique would scatt... | QuestionStock

Representative image for question: Which proposed solar geoengineering technique would scatter sunlight by injecting reflective particles into the stratosphere?

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Which proposed solar geoengineering technique would scatter sunlight by injecting reflective particles into the stratosphere?

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Which proposed solar geoengineering technique would scatter sunlight by injecting reflective particles into the stratosphere?

Options:

Ocean iron fertilization
Stratospheric aerosol injection
Marine cloud brightening
Increase urban albedo with white roofs

Correct answer: Stratospheric aerosol injection

Explanation: Stratospheric aerosol injection (SAI) proposes dispersing sulfates or other aerosols into the stratosphere to reflect sunlight and cool Earth; SAI has been explored in climate models since the 1990s.

Created 2026-03-10T17:33:12.037Z. Updated 2026-03-10T17:33:12.037Z.