Think of the environment and, depending on how gloomy you are, you either think of lambs frolicking in a meadow or a sad polar bear drowning in the sea.

But a non-stop torrent of hilarious blood and death? No. Which is why this new advert from the WWF is so bewildering. We think the point is that if you don’t recycle properly you’ll get mown down by some sort of gigantic vehicle, but we can’t be fully sure.

Nevertheless, that hasn’t stopped us from watching it again and again and again. And, you know, we promise to use less toilet paper or whatever.