#1960s suggested floating billions of white objects such as golf balls on the oceans to reflect sunlight. #1977, Cesare Marchetti discussed ways of catching all of Europe’s CO2 emissions and injecting them into sinking Atlantic Ocean currents. #1982, Soviet scientist Mikhail Budyko proposed filling the stratosphere with sulphate particles to reflect sunlight back into space. #1997, Edward Teller, inventor of the hydrogen bomb, proposed putting giant mirrors into space.
https://www.wired.com/story/more-scientists-now-think-geoengineering-may-be-essential/
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