In this April 28, 2021 photo, a man works on the settlement tanks at the Conshohocken, Pa., sewer plant. (Tom Gralish/The Philadelphia Inquirer via AP) FILE - Trash is unloaded at the Otay Landfill in ...
Every day, food scraps disappear into trash bags, are hauled away and forgotten. But that waste could be turned into something productive. Across the United States, about 97 million metric tons of ...
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