Hey, it's the Tiny Tim song Thomas Pynchon was talking about!
This insane song appears on Tim's 1968 album "God Bless Tiny Tim," so all that ice caps melting business has nothing to do with our present-day angst over polar bears and obeisance to the Great God Gore. Unless Tim started it all. Who are those kids anyway? And why did adults subject the youngsters to this trippy apocalyptic weirdness? Perhaps little Al is there, absorbing the crazed wisdom of Tiny. Mysteries! Wow. It's so far out!
And here's the Pynchon book, "Inherent Vice."