Read the full story from NPR.
Food waste is not just a problem for restaurants — airports also have to deal with piles of this kind of garbage.
At one of the nation’s busiest airports, Charlotte Douglas International in North Carolina, each passenger generates half a pound of garbage on average per visit. But instead of just sending all that trash to the landfill, Charlotte has taken a different approach. It’s the first airport to put worms to work dealing with trash.