Leaf lettuce is grown in an artificial light 'plant factory' operated by Mirai Inc. at the Plant Factory Center at Chiba University's Kashiwanoha campus in Kashiwa City, Chiba Prefecture, Japan, on Monday, Nov. 12, 2012. Japanese consumers are closing their wallets as the economy's outlook darkens, making it harder for Prime Minister Yoshihiko Noda to stave off the nation's third recession in four years. Photographer: Kiyoshi Ota/Bloomberg via Getty Images