Thousands of pounds of airline trash is collected at the Charlotte-Douglas International Airport, brought to the recycling center, sorted, pulverized and fed to worms.
One million worms are housed in wooden containers, breaking down consumer food waste produced during the flight.
The worms project cost more than $500,000,
Although the composting project was created to save the airport money, the cost of running the program is 28% higher than the original estimate. The project cost more than $500,000, however, the airport has saved on landfill fees. The waste product made by the worms is used as a fertilizer on the grounds of the airport.