This site from Co-op America has a cool list of 21 items you didn’t know you could recycle, from appliances and oil to tennis shoes and toothbrushes.
It’s all US-centric, so most of its advice gives helplines for there, but it still highlights the possibilities (and Greenbang makes a mental note to investigate these things locally).
One example as follows:
4. CDs/DVDs/Game Disks: Send scratched music or computer CDs, DVDs, and PlayStation or Nintendo video game disks to AuralTech for refinishing, and they’ll work like new: 888/454-3223, www.auraltech.com.