It has a smaller methane footprint because it comes from cows that were fed a new seaweed supplement that makes them burp less. At the Swedish grocery chain, Coop, there's now a new product that isn't available anywhere else in the world: "low methane" beef. Selected stores are selling a limited-edition run of ground beef, sirloin steak, and beef fillets from cattle that have been fed red seaweed-a supplement that cuts emissions of methane, a potent greenhouse gas that cows and steers emit when they burp and fart.Read Full Story