Literally blocking out the sun may sound extreme, but scientists are debating whether using dust particles to reflect sunlight away from the Earth could be a temporary solution if climate change gets out of control.
solar geoengineering
Posted inNPR
Startups want to cool Earth by reflecting sunlight. There are few rules and big risks
In a parking lot and on San Francisco Bay, NPR witnesses two different tests for solar geoengineering to tackle climate change. With much science unsettled, experts say regulations aren’t keeping up.
