Preliminary numbers indicate DIA processed 12,000 tons of trash in 2023 and sent 21 percent of that waste to recycling or composting instead of the landfill.

People often complain that long lines at Denver International Airport are a waste of time, but there are also tons of actual waste cycling through the airport each year. And the airport hopes to make sure nearly 60 percent of that never ends up in a landfill.

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