It is Venus that needs cooling. Mars needs global warming instead. https://en.wikipedia.org/wiki/Terraforming_of_Venus#Cooling_planet_by_solar_shades https://e

It is Venus that needs cooling. Mars needs global warming instead. https://en.wikipedia.org/wiki/Terraforming_of_Venus#Cooling_planet_by_solar_shades https://en.wikipedia.org/wiki/Terraforming_of_Venus#Cooling_... https://en.wikipedia.org/wiki/Terraforming_of_Mars https://en.wikipedia.org/wiki/Terraforming_of_Mars