Tom Rugg, a biology teacher from Chepstow, has written The Polar Bear Song to raise awareness of climate change among children. In an exclusive video diary for the Green Wales season, follow Tom to ...

Sing along with this catchy tune by science teacher Tom Rugg, which contains a gentle message about climate change. Can a song from Wales help the polar bears? It's not only the polar bears who ...

In order to see this content you need to have both Javascript enabled and Flash installed. Visit BBC Webwise for full instructions Sing along with this catchy tune by science teacher Tom Rugg ...