Another of the album's main themes is environmental catastrophe. "Monkey Gone to Heaven" deals with man's destruction of the ocean and "confusion of man's place in the universe". As Francis put it: "On one hand, it's this big organic toilet. Things get flushed and repurified or decomposed and it's this big, dark, mysterious place. It's also a very mythological place where there are octopus's gardens, the Bermuda Triangle, Atlantis, and mermaids." "Monkey Gone to Heaven" is concerned with man's relationship to the divine, a theme shared with "Mr. Grieves".