Here are two cute little games that could help teach kids (and probably a few adults) about the environment and sustainable building. You are given an imaginary budget of £100,000, then you make choices about what materials and components to use to build a greener house, as monitored on the sustainability meter. It is surprisingly easy to blow the budget, in the game as in real life.
There are some annoying things about it (you can't go back, and the flash is slow), UK construction methods are different from north American so some items are less relevant, but they cover important concepts (like embodied energy) and the Scots accents are ever so cute. ::Mysusthouse via ::Archinect