22 July 2018 | ZEROGeoengineering.com | “Albedo Modification—intentional efforts to increase the amount of sunlight that is scattered or reflected back to space, thereby reducing the amount of sunlight absorbed by the Earth, including injecting aerosols into the stratosphere, marine cloud brightening, and efforts to enhance surface reflectivity.” 

Reflecting Sunlight to Cool Earth      Spring 2015      National Academy of Sciences

Link To  National Academy of Science Reflecting Sunlight