| Buying Local | The Travel Foundation | ||
| Good Practice Guide to Waste Management for Hotels in Hong Kong | The Hong Kong Polytechnic University | 2000 | |
| Best Practices Guide: Successful energy efficiency technologies integration in SME hotels | Hotel Energy Solutions | 2011 | |
| Factors and initiatives affecting energy efficiency use in the hotel industry | Hotel Energy Solutions | 2011 | |
| Key energy efficiency solutions for SME hotels | Hotel Energy Solutions | 2011 | |
| Key energy efficiency technologies database for SME hotels | Hotel Energy Solutions | 2011 | |
| Survival of the fittest - Sustainable tourism means business | Forum for the Future and the Travel Foundation | 2012 | |
| Best Environmental Management Practice in the Tourism Sector | David Styles, Harald Schönberger and Jose Luis Galvez Martos | 2013 | |
| Sustainable tourism for development Guidebook | World Tourism Organization (UNWTO) | 2013 | |
| Keep It Real - Market and communicate your green credentials | Dr Xavier Font and Laura Higa, Leeds Beckett University | 2015 |