Fantastic set of projects to encourage good behaviour by making doing the right thing more fun. Sounds all very worthy and dry but just go and watch the video of the World's Deepest Bin.
Step-by-step instructions for dismantling CD drives and which parts can be reused. Handy accompaniment to the vibrobots project as you can find most of the bits to build a vibrobot in a CD drive
Good to see the official Arduino board manufacturers are thinking about the environmental impact of the boards. Also good to see that they're not claiming that offsetting is a full solution, but it's heading in the right direction.