In this Aug. 29, 2018, photo, at the Waste Management …

Photo by Associated Press | published: October 7, 2018

In this Aug. 29, 2018, photo, at the Waste Management facility in North Brooklyn, tons of leftover food sits piled up before being processed into "bio-slurry," in New York. The "bio-slurry" can be turned into methane gas at a nearby waste-treatment plant.