| Survival of the fittest - Sustainable tourism means business | Forum for the Future and the Travel Foundation | 2012 | |
| Front Runners Marketing Guidelines | ENERGIES 2050, Stéphane POUFFARY and Philippine WATERKEYN | 2015 | |
| Sustainability in tourism "A guide through the label jungle" | Diego Núñez, Herbert Hamele (ECOTRANS) | 2016 | |
| Best Environmental Management Practice in the Tourism Sector | David Styles, Harald Schönberger and Jose Luis Galvez Martos | 2013 | |
| Key energy efficiency solutions for SME hotels | Hotel Energy Solutions | 2011 | |
| Key energy efficiency technologies database for SME hotels | Hotel Energy Solutions | 2011 | |
| Best Practices Guide: Successful energy efficiency technologies integration in SME hotels | Hotel Energy Solutions | 2011 | |
| Keep It Real - Market and communicate your green credentials | Dr Xavier Font and Laura Higa, Leeds Beckett University | 2015 |