1. Brook Lyndhurst, London, UK,
2. Brook Lyndhurst, London, UK
3. The Social Marketing Practice, Didcot, UK
4. Resource Recovery Forum, Skipton, UK
5. Research Managing Agent, Defra Waste and Resources Evidence Programme, and Department of Civil and Environmental Engineering, Imperial College London, London, UK
6. Department for Environment, Food and Rural Affairs, Food and Rural Affairs (Defra), London, UK