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Unilateral Geoengineering
Non-technical Briefing Notes for a Workshop At the Council on Foreign Relations


"..Applied to geoengineering, various technologies could be used to loft particles into the stratosphere, such as naval guns, rockets, hot air balloons or blimps, or a fleet of highflying aircraft. Potential types of particles for injection include sulfur dioxide, aluminum oxide dust or even designer self-levitating aerosols that might be engineered to migrate to particular regions.."
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Few countries have openly used some of these methods to change weather, and this has been covered in mainstream media. China created snow falls, and Russians spread cement dust from airplanes to prevent rain and cloudy weather. Just look it up.