Interesting take on using gaming elements to motivate…
As North Korea cannot produce enough chemical fertilizer, citizens are urged to collect kitchen waste and even human excrement to produce compost. Competitions are held between neighbourhood units in order to step up compost production. The photo shows the “compost production competition chart of district no. 13”
http://www.flickr.com/photos/kernbeisser/2420680926/in/set-72157604582048816/
