It's safe to eat beef again, at least if you shop at the right butchers. The Telegraph reports to the joy of carnivores everywhere that cow flatulence has been cleared to the charge it contributed to global warming:In the past environmentalists, from Lord Stern to Sir Paul McCartney, have urged people to stop eating meat because the methane produced by cattle causes global warming.However a new study found that cattle grazed on the grasslands of China actually reduce another greenhouse gas, nitrous oxide.The study clears only cattle grazed on grassland. Corn-fed feedlot beef is still treif to the Church of Global Warming. So you have to lay out big bucks for the free range grass fed beef if you want to make yourself feel better about your role in slowing the impending doom. Al Gore can now guiltlessly eat a filet mignon aboard his carbon-credit-indulged private jet.One catch: If everyone switches to organically grown produce, there will be no grassland (or forestland) left.(Read Full Post)