IOC guide on sport, environment and sustainable devlopmentFrom the International Olympic committee (IOC), this guide "offers methodological and practical tools to the sport community, based on the major principles of sustainable development. It provides an easy way to move from theory and concepts to practical initiatives and behavioral changes; an easy way to understand the global challenges and needs for environmental protection while considering local specificities coming from diverse geographical, socio-economic, cultural and sports contexts." Intute.ac.uk

The guide is downloadable as a PDF file in full or as individual chapters.
http://www.olympic.org/uk/organisation/missions/environment/full_story_uk.asp?id