If you didn't catch Andrew Marr's Megacities programme last night on sustaining the city, which gives you all the reasons you could wish to have to increase cycling and decrease mindless consumption, please make the time to watch it on BBC iplayer and encourage others to do likewise
http://www.bbc.co.uk/iplayer/episode/b011w7xm/Andrew_Marrs_Megacities_Sustaining_the_City/