The Planetary Sunshade Foundation was founded in 2021 to develop and advance the concept of space-based solar radiation modification. The Planetary Sunshade Foundation agrees with Reflective earth that solar radiation modification will be a necessary part of the global warming solution, safeguarding and complementing the transition away from fossil fuels and the removal of excess greenhouse gases from the atmosphere.

The Foundation published an introduction to how the concept of space based geoengineering, or a Planetary Sunshade, could complement existing efforts to mitigate the climate crisis. It is intended for policy makers who are discussing climate overshoot scenarios.