| A guide to improving water efficiency | Resource Efficient Scotland | 2015 | |
| A resource efficiency guide for the hotel sector in Northern Ireland | Invest Northern Ireland | 2015 | |
| Best Environmental Management Practice in the Tourism Sector | David Styles, Harald Schönberger and Jose Luis Galvez Martos | 2013 | |
| Best Practices Guide: Successful energy efficiency technologies integration in SME hotels | Hotel Energy Solutions | 2011 | |
| Buying Local | The Travel Foundation | ||
| Energy Efficiency tips for hotel staff | Nigel Claridge (Sustainable Innovation AB), Ignacio Guerrero (CREARA), Maria Frangou (ENV/TUC) | 2016 | |
| Factors and initiatives affecting energy efficiency use in the hotel industry | Hotel Energy Solutions | 2011 | |
| Front Runners Marketing Guidelines | ENERGIES 2050, Stéphane POUFFARY and Philippine WATERKEYN | 2015 | |
| Good Practice Guide to Waste Management for Hotels in Hong Kong | The Hong Kong Polytechnic University | 2000 | |
| How to reduce single-use plastic - Guidance for tourism business | Futouris.org | 2021 |