The issue of sustainability is increasingly more relevant for businesses, including in the Hospitality—Lodging industry, owing to its negative environmental impact. This industry is also economically important for Portugal, particularly in Lisbon. The present study investigates the degree of implementation of sustainability initiatives throughout the supply chain of 4-and 5-star urban hotels in Lisbon. A survey was sent to 54hotels, yielding 25 responses. The results show most surveyed hotels are at a low level of implementation, though with interest to move towards a medium level. Future research could explore other regions and lodging categories
