It's an absolute gift when companies who are being less than kind to the environment have an advertising campaign that, with a few tweaks, can be subverted to expose their dodgy deeds. Such a treat came in the form of the Kleenex 'Let It Out' adverts that have been showing in various countries (here's an example for those who haven't seen it) and the guys in the US and Canada running the Kleercut campaign jumped on it.