Climate Engineering

COOL OPTIONS ------ 00000 AEROSOLS Blimps blast chemicals into the stratosphere to reflect the sun's rays. SPACE MIRRORS Orbiting lenses diffuse sun's rays. +++ $$$ --------------. ARTIFICIAL TREES Carbon-eating "“trees" absorb CO2 from the air and store it underground. ++ $$ EFFECTIVENESS CLOUD BRIGHTENING Wind-powered ocean vessels spray sea- water to create clouds to reflect sun's rays. Potential to cool the earth READINESS CST + Within years ++ Within decades +++ Within 5o years $ Afistful of billions $$ Afew billions more $$$ You don't want to know ILLUSTRATED BY MCKIBILLO