▲ 75 ▼ The ‘Doomsday Glacier’ Could Flood the Earth. Can a 50-Mile Wall Stop It? Scientists have long opposed polar geoengineering. Some now believe it will be necessary. (www.theatlantic.com) submitted 9 months ago by silence7@slrpnk.net to c/climate@slrpnk.net 18 comments fedilink hide all child comments People will propose pretty much anything because they don't want to see a rapid phase-out of fossil fuel use. The worse things are, the more out-there the things they propose get to be.