Attached is a pdf of a PowerPoint presentation given on this topic at the recent IB heads' conference in Seville.
Facing the Future is a US-based organisation that produces excellent teaching materials - some described elsewhere on this site.
Below is an invitation from Facing the future to review materials for an new unit on "stuff" - "all of the material products we buy and use, from cell phones to bananas."
IB World magazine wants your thoughts on the environment for its green issue – what your school is doing to help the cause, how you can teach students the importance of going green, and what role IB World Schools have to play in promoting sustainability. We’re looking for opinion articles, or simply news from your school – please email editor@ibo.org by October 9 to discuss how you can get involved.