A sunshade would be installed at the Sun-Earth Lagrange-1 point to reduce radiative forcing — the trapping of heat in the atmosphere due to greenhouse gas emissions — by reflecting sunlight back into space. (Image credit: Planetary Sunshade Foundation)

A sunshade would be installed at the Sun-Earth Lagrange-1 point to reduce radiative forcing — the trapping of heat in the atmosphere due to greenhouse gas emissions — by reflecting sunlight back into space. (Image credit: Planetary Sunshade Foundation)