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:Montreal Chefs Are Fuming Over a Casino’s French ImportIranian Pilgrims Can Participate in Hajj This Year, Saudi Arabia SaysBasque Separatist Group ETA Is Said to Promise to DisarmSuicide Bombing at Police Post Breaks Lull in Bangladesh AttacksBritish Police Net a Butterfly Killer, and Now He May Face Jail‘You Are the Future of Europe,’ Erdogan Tells Turks