I think "properly processing" a 3 foot thick layer of sludge on the ocean floor might be a little more difficult than you're making it out to be. Or maybe it's

I think "properly processing" a 3 foot thick layer of sludge on the ocean floor might be a little more difficult than you're making it out to be. Or maybe it's easy. I don't know. But as things stand right now, the process as implemented is completely unsustainable.