The City of Sydney already have this in place both internally and for events, and 50 other organisations/businesses have as well. UTS have gotten rid of single use plastic in their food court.
"The City of Sydney has taken a platinum pledge, committing to phasing out 7 single-use items in its buildings, at its own venues and at events within our area. The City will eliminate or reduce the use of:
plastic serveware, including expanded polystyrene
plastic single-use sampling or giveaways