Message Bin a Bottle flashmob Thanking and celebrating people who dispose of litter correctly to raise awareness of the issue. Normally littering behaviour is tackled with stern looks and finger wagging. What happens when this is flipped on its head and positive behaviours are rewarded instead? Complete with flags, medals, trombones and enthusiastic volunteers we went to Leicester Square to find out... Join the campaign This intervention was part of our wider Neat Streets campaign. If you're interested in replicating any of the Neat Streets interventions, click here.