In its latest issue, Time magazine singles out "10 Ideas That Are Changing the World." One of those is very literal: geoengineering. Time's piece on the subject is a bit muddled--it lists iron fertilization of the oceans as a way of reducing sunlight to the planet--but the bottom line is unfortunately very accurate: "Unless the geopolitics of global warming change soon, the Hail Mary pass of geoengineering might become our best shot." If you wanted evidence of geoengineering entering mainstream social discourse, it's hard to think of something better than an article like this, in Time.