Just in case PG&E's plan to launch a satellite into space to gather solar rays and beam half a coal plant's worth of power back to Earth doesn't seem like a crazy idea to you, Joe Romm explains why it is (although you'd be in good company, with both Harvard and Yale). Basically, yes the power is "free" once the satellite is in space, but it takes an awful lot of energy to get it up there ("creating" hydrogen fuel for the rocket is particularly emissions-intensive).
No comments:
Post a Comment