#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/
#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/