Instead of putting reflectors into orbit it would be cheaper to use hot air balloons, but in general either reflectors or balloons are the best solution to clim

Instead of putting reflectors into orbit it would be cheaper to use hot air balloons, but in general either reflectors or balloons are the best solution to climate change, because they allow to actually control the weather, and the amount of rain different places get. By creating more rains over sahara, we'll not only get more place to live, but the new ecosystem there would consume all the CO2 that was added by us into atmosphere, so we even wouldn't need to reduce the oil usage for now.