Washington Post: This week the Lantern is taking a break from answering your green lifestyle questions to report on three studies that raise brand-new environmental dilemmas. Is meat less of a climate-change culprit than we thought? One of the Lantern’s frequent tips is to cut back on your meat intake for the sake of the planet. But according to Frank Mitloehner, a researcher from the University of California at Davis, that advice is hogwash. Mitloehner takes exception to the widely …