Plantations of face trees would remove the pollution, a species of uncanny soot sequestering capacity. This image is of the face tree swamps of central Laurentia taken fifty years ago from space. Every tree there is a face tree. If my estimates are accurate, their actions degrade approximately three acres of face tree swamp per day. “Would the face trees exist if you didn’t dredge the swamp?”“You would find them here and there.