This document discusses sustainable environmental practices for hotels. It defines environmental sustainability as renewable resource harvest, pollution creation, and resource depletion rates that can continue indefinitely. It provides examples of hotels that have implemented sustainable practices like using renewable energy, water recycling and conservation, waste reduction and recycling, green building practices, and efforts to conserve nature. Specific hotels highlighted include the Willard Intercontinental, Cochin International Airport, Tenorio Lodge, Otani Hotel, Treehotel, Park Hyatt Maldives, ION Luxury Adventure Hotel, The Park Hotel Hyderabad, Best Western Premier: The Haven, and Banasura Island Resort.