Wealthy NGOs, backed by Rachel Pritzker, pursue cloud-brightening projects in California to reduce global temperatures.

Wealthy NGOs, backed by billionaires like Rachel Pritzker, continue aerosol sunlight-blocking projects in California despite local opposition. Their goal is to lower global temperatures by brightening clouds to increase their sunlight reflection. Pritzker's Pritzker Innovation Fund supports research to inform science-based decision-making on climate interventions like marine cloud brightening.