London Olympics

Coca-Cola to create 80 million bottles using a fifth of London 2012 Games consumer waste

Commission for a Sustainable London 2012 hails Olympic's green merchandising efforts

Capital's policies to improve air quality an "embarrassment" in run-up to 2012 Olympic Games

But critics accuse Mayor of 'greenwashing' ahead of 2012 Olympic Games

Imperial College London research stokes calls to cut transport emissions ahead of 2012 Olympic Games