Where does my coffee cup go? (I mean it's good to have a recycle bin but...

  1. trash
  2. newspaper & magazines
  3. mixed office paper
  4. aluminum & steel cans; glass & plastic bottles
recycle.jpg

The above are four categories in the large recycle bin right out side of Sorrells Library @ Wean Hall of Carnegie Mellon University. It looks very considerate and comprehensive, but where should my coffee cup go? 

  Having the cup sitting there and pondering. 

Having the cup sitting there and pondering. 

I still wasn't able to decide after 20 seconds of looking and checking, thinking what I must have missed. As an advocate of recycling, I hope this could me a little more encouraging.