That’s according to a study by the nonprofit science journalism group Climate Central. It says that’s equivalent to having Central Park covered 41 feet high with sewage.
It’s lurking in the nation’s sewers, and even as close as the sewage line that runs from your house to the main. It’s called FOG — for accumulated fats, oils and grease. In Philly, it’s FROG, since the water department includes tree roots.