I. Internet
Science Daily. (2013). Fossil Fuel. Retrieved from http://www.sciencedaily.com/articles/f/fossil_fuel.htm
Benefits of Recycling. (2014). What is Recycling? Retrieved from http://www.benefits-of-recycling.com/whatisrecycling/
Freudenrich, C. (2014) How Composting Works. Retrieved from http://home.howstuffworks.com/composting.htm
Enriquez, M.C. (2011). For the country’s first green hotel, sustainability makes good business. Retrieved from http://lifestyle.inquirer.net/27635/for-the-country%E2%80%99s-first-green-hotel-sustainability-makes-good-business
Abano, I.V. (2011). Palawan: Embracing green, eco-friendly hotels and beach resorts. Retrieved from http://pnej.org/?p=477
Villareal, M. (2010). 10 Philippine Hotels Win ASEAN Green Hotel Award. Retrieved from http://outoftownblog.com/10-philippine-hotels-win-asean-green-hotel-award/
Hotel Tropika (2010). Environmental Initiatives. Retrieved from http://www.hoteltropikadavao.com/hotelprograms.php
Graci, S., Kuehnel, J. (2010). Green hotels & responsible tourism initiative. Retrieved from http://green.hotelscombined.com/Gyh-Best-Practices.php
II. Books
Sinha, C.C. (2012) Sustainable tourism: Concepts and case studies in the Philippines caring for nature, culture, and people. Quezon City: Haribon Foundation.
Ofreneo, R.E. (2012). Green jobs and green skills in a brown Philippine economy: background country study. Quezon City: University of the Philippines Press Diliman.
Galang, A.P. (2009). The Philippine environment in the Ecozoic age: Principles of environmental Science in the Philippine setting. Pasig City: Anvil Publishing, Inc.
Bosangit, C.A., Libosada, C.M. (2007). Introduction to tourism: A comprehensive guide to the travel and tourism industry. Pasig City: Anvil Publishing, Inc.
Ordoñez, J.A. (2012). Environmental Biology: Philippine setting. Mandaluyong City: National Bookstore.
Lim, R.D. (2012). Principles and scopes of tourism. Intramuros Manila: Mindshapers Co. Inc.
Bibliography: Benefits of Recycling. (2014). What is Recycling? Retrieved from http://www.benefits-of-recycling.com/whatisrecycling/ Freudenrich, C Enriquez, M.C. (2011). For the country’s first green hotel, sustainability makes good business. Retrieved from http://lifestyle.inquirer.net/27635/for-the-country%E2%80%99s-first-green-hotel-sustainability-makes-good-business Abano, I.V Villareal, M. (2010). 10 Philippine Hotels Win ASEAN Green Hotel Award. Retrieved from http://outoftownblog.com/10-philippine-hotels-win-asean-green-hotel-award/ Hotel Tropika (2010) Graci, S., Kuehnel, J. (2010). Green hotels & responsible tourism initiative. Retrieved from http://green.hotelscombined.com/Gyh-Best-Practices.php II Sinha, C.C. (2012) Sustainable tourism: Concepts and case studies in the Philippines caring for nature, culture, and people. Quezon City: Haribon Foundation. Ofreneo, R.E. (2012). Green jobs and green skills in a brown Philippine economy: background country study. Quezon City: University of the Philippines Press Diliman. Galang, A.P. (2009). The Philippine environment in the Ecozoic age: Principles of environmental Science in the Philippine setting. Pasig City: Anvil Publishing, Inc. Bosangit, C.A., Libosada, C.M. (2007). Introduction to tourism: A comprehensive guide to the travel and tourism industry. Pasig City: Anvil Publishing, Inc. Ordoñez, J.A. (2012). Environmental Biology: Philippine setting. Mandaluyong City: National Bookstore. Lim, R.D. (2012). Principles and scopes of tourism. Intramuros Manila: Mindshapers Co. Inc. IBON Foundation. Databank & Research Center. (2006). The state of Philippine environment 2nd edition 2006. Quezon City: IBON books. Lannuzzi, A. (2010). Greener products: The making and marketing of sustainable brands. Taylor & Francis group Mowforth, M., Charlton, C., Munt, I Gossling, S., Hall, M., Weaver, D.B. (2009). Sustainable tourism futures. London and New York: Routledge Taylor & Francis group. Chawla, R. (2006). Impacts of Tourism. New Delhi: Sonali Publications. Sharpley, R., Telfer, D.J Dahlstrom, R. (2011). Green marketing management. Stamford Connecticut: South-Western Cengage Learning. Buckley, R. (2008). Ecotourism: principles & practices. Cambridge: Cambridge university press. Bader, E. E. (2005). Sustainable hotel business practices. Hotels. Retrieved from http://www.palgrave-journals.com/rlp/journal/v5/n1/abs/5090008a.html Molander, S., Wallin, A., Zannakis, M Masi, S., Raboni, M., Torretta, V., Trulli, E. (2013). Incineration of Pre-Treated Municipal Solid Waste (MSW) for Energy Co-Generation in a Non-Densely Populated Area. Sustainability, 5, 5333-5346; doi:10.3390/su5125333 Kapiki, S Hassan, H., Kasimu, A.B., Zaiton, S. (2012). Hotels Involvement in Sustainable Tourism Practices in Klang Valley, Malaysia. International Journal of Economics and Management. Retrieved from http://econ.upm.edu.my/ijem/vol6no1/bab02.pdf Oyedepo, S.O Obgeide, G.C. (2012). Perception of Green Hotels in the 21st Century. Journal of tourism insights. Retrieved from http://www.mdpi.com/2071-1050/5/12/5333 Bonnel, R., Cashman, A., Charara, N., Gehr, R