Single-stream recycling is convenient for consumers, but difficult for recycling companies. It requires a long and complicated process to make trash valuable.

Bulk pickups of waste have become more difficult in some areas, and shortages affect companies across the U.S.

Volunteers on the Atlanta Hawks’ Zero Waste Squad help fans put compostable cups and plates and recyclable cans and bottles into the correct bins.

Meanwhile, closed offices, stores and stadiums have been producing a lot less commercial garbage.