The Next Big Volcano Could Briefly Cool Earth. NASA Wants to Be Ready. By studying the natural effects of a large volcanic eruption, scientists could learn about how we might deliberately cool the planet in the future. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Robot Claw Shows Intricacies of Crab CourtshipUncovering the Secrets of the ‘Girl With a Pearl Earring’ScienceTake: For Fiddler Crabs, ‘Size Does Matter’The Moon may be COVERED in water, scientists claim following groundbreaking discoveryCalifornia Scraps Safety Driver Rules for Self-Driving CarsTrilobites: Inside Wounded Flies, Fat Cells Race to the Rescue