30 percent of the energy sent to Earth bounces back into outer space. Climate change could upend that. July 10, 2017climatehistoryscoper https://repubhub.icopyright.net/freePost.act?tag=3.19244%3Ficx_id%3Dhttp%3A%2F%2Fwww.popsci.com%2Falbedo-climate-change%3Fdom%3Dicopyrightsrc%3Dsyn&utm_campaign=ENVIRONMENT&utm_content=57231116