Global attention to food waste has illuminated a major problem with the world’s food supply: more than 40 percent of the world’s food is ending up in landfills instead of being routed to people who desperately need it. Efforts are underway to decrease food waste—from the urban dumpster diver to international campaigns and policies—and a new discovery may help supermarkets reduce their massive amounts of wasted food. The answer is as simple as changing a light bulb. Literally. LED lights may keep food fresher, cites new research.Read More:Could LED Lightbulbs Eliminate the Global Hunger Crisis?