Out with boring public information leaflets and in with flashy TV ads. The German Ministry of Environment has come up with a series of commercials on the problems of climate change, featuring sex and zombies in the message.

The scene: A young girl arrives home late one night and is confronted with the awkward situation of finding her parents engaged in the act inside a brightly lit room. After uttering a meek, “Hi,” the teenager proceeds to switch off the lights in the room.