| Best Environmental Management Practice in the Tourism Sector | David Styles, Harald Schönberger and Jose Luis Galvez Martos | 2013 | |
| Buying Local | The Travel Foundation | ||
| Survival of the fittest - Sustainable tourism means business | Forum for the Future and the Travel Foundation | 2012 | |
| Sustainability in tourism "A guide through the label jungle" | Diego Núñez, Herbert Hamele (ECOTRANS) | 2016 | |
| A resource efficiency guide for the hotel sector in Northern Ireland | Invest Northern Ireland | 2015 | |
| The Plastics Reduction Guide for Hotels | Travel Without Plastic | ||
| Good Practice Guide to Waste Management for Hotels in Hong Kong | The Hong Kong Polytechnic University | 2000 |