Ranking geo-engineering strategies, or “climate hacks” to cool Earth down

Numerous approaches have been described to cool what some insist is a warming world (though not over the past few years). In any event, not all the strategies would have the same impact, so here’s an interesting ranking of them from Wired. Many ideas are surely kooky, but it definitely makes sense in an energy-starved world—where most families and children lack basic necessities—to always look at options apart from carbon constraint.