This is wicked cool: Frozen Grand Central.

Here is a fledgling idea along somewhat similar lines, combing a film about water with a website to promote activism about water policy.

And then there are initiatives that utilize language creatively, such as the Puye vacinnation campaign in Colombi.  “Puye” is a play on words…the term “puyar” refers both to the action of injecting vaccines and a popular experession meaning ‘to demand, to hurry up or to press for.’ ~ from Communication for Development: Making a Difference.  A report from The World Congress on Communication for Development (Rome, Italy 25-27 October 2006. Draft 1 January 2007 p. 33).