No guest room recycling because your hotel can afford to add recycling bins?  Look no further.  This low tech answer is as close as a paper bag.  When the GMIC Sustainable Meetings Conference convened at the Hilton San Francisco Union Square, guests found this solution in their rooms which resulted in a twitter fury praising the hotel.

Sustainable event planners will definitely remember this idea the next time their conference hotel pushes back on in-room recycling.