Grist: You want to save the world, but you still want to power that iPad, right? And you want to do it all on a budget? Chinas got your back then, right? Thats the place, after all, where theyre cranking out the cut-rate solar panels. Well, not so right, according to a new study by Northwestern University and the U.S. Department of Energy.
Funny thing: It takes a lot of energy to turn silicon into solar panels, and if you get that energy from fossil fuels like coal, and inefficient coal plants at...