Scientists Want to Fight Climate Change by Blocking the Sun With Dust

In the past few years, scientists have hatched some pretty crazy-sounding schemes in the name of protecting Earth and its inhabitants. From building an underwater wall 120 kilometers long to try to save a glacier to cloud seeding an area three times the size of Spain to increase rainfall, it seems there’s no project too outlandish to at least consider—if not put into action.
Now there’s another such project to add to the list. The Controlled Stratospheric Disturbance Experiment—ScoPEx for short—has been in the works since 2014. The big-picture idea of ScoPEx is to release enough (non-toxic) du