This document discusses closed loop recycling programs and Closed Loop's work in this area. It summarizes their experience implementing a large recycling program at the 2000 Sydney Olympics that diverted over 70% of waste from landfills. It also discusses Closed Loop's recycling facilities in the UK and case studies of recycling programs at venues like the Melbourne Cricket Ground. The document concludes by outlining Closed Loop's research on materials used at UK sporting venues to identify opportunities to increase recycling.