1.
Viner A. Mediterranean tourism: exploring the future with the tourism climatic index. 349th–366th ed. Journal of Sustainable Tourism; 14(4). Available from: http://web.b.ebscohost.com/ehost/detail/detail?vid=1&sid=e96fbb9b-57f8-471f-9252-46953da3eaad%40sessionmgr113&hid=125&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#db=a9h&AN=21656808
2.
Hall, Colin Michael, Lew, Alan A. Understanding and managing tourism impacts: an integrated approach. London: Routledge; 2009.
3.
Stonehouse, Bernard, Snyder, J. Polar tourism: an environmental perspective [Internet]. Bristol: Channel View; 2010. Available from: http://proxy.library.lincoln.ac.uk/login?qurl=http%3A%2F%2Fwww.dawsonera.com%2Fdepp%2Freader%2Fprotected%2Fexternal%2FAbstractView%2FS9781845411473
4.
Hall, Colin Michael, Higham, James E. S. Tourism, recreation, and climate change. Clevedon: Channel View; 2005.
5.
Connor, Anne, Black, Stewart. Performance review and quality assurance in social work. London: Jessica Kingsley; 1994.
6.
Andriotis K. Tourism Planning and Development in Crete: Recent Tourism Policies and their Efficacy. Journal of Sustainable Tourism. Taylor & Francis Group; 2001;9(4):298–316.
7.
Becken S. Analysing International Tourist Flows to Estimate Energy Use Associated with Air Travel. Journal of Sustainable Tourism. Taylor & Francis Group; 2002;10(2):114–131.
8.
Belle N. Climate Change and Small Island Tourism: Policy Maker and Industry Perspectives in Barbados. Journal of Travel Research. 2005 Aug 1;44(1):32–41.
9.
Dodds R. Quality Assurance and Certification in Ecotourism. Annals of Tourism Research. 2008 Jul;35(3):838–840.
10.
Buckley R, Pickering C, Weaver DB, Fenner Conference on Nature Tourism and the Environment. Nature-based tourism, environment and land management. Wallingford: CABI; 2003.
11.
Carlsen J, Getz D, Ali-Knight J. The Environmental Attitudes and Practices of Family Businesses in the Rural Tourism and Hospitality Sectors. Journal of Sustainable Tourism. Taylor & Francis Group; 2001;9(4):281–297.
12.
Ceron JP, Dubois G. The Potential Impacts of Climate Change on French Tourism. Current Issues in Tourism. Taylor & Francis Group; 8(2–3):125–139.
13.
Coccossis H, Mexa A. The challenge of tourism carrying capacity assessment: theory and practice. Aldershot: Ashgate; 2004.
14.
Dickinson, Janet, Lumsdon, Les, International Institute for Environment and Development. Slow travel and tourism [Internet]. London: Earthscan; 2010. Available from: http://proxy.library.lincoln.ac.uk/login?qurl=http%3A%2F%2Fwww.dawsonera.com%2Fdepp%2Freader%2Fprotected%2Fexternal%2FAbstractView%2FS9781849776493
15.
English Tourism Council. National sustainable tourism indicators: monitoring progress towards sustainable tourism in England. London: English Tourism Council; 2001.
16.
Font X, Buckley R. Tourism ecolabelling: certification and promotion of sustainable management. New York: CABI Pub; 2001.
17.
Font X, Tribe J. Promoting green tourism: the future of environmental awards. International Journal of Tourism Research. 2001;3(1):9–21.
18.
Font X, Flynn P, Tribe J, Yale K. Environmental Management Systems in Outdoor Recreation: A Case Study of a Forest Enterprise (UK) Site. Journal of Sustainable Tourism. Taylor & Francis Group; 2001;9(1):44–60.
19.
González M, León CJ. The adoption of environmental innovations in the  hotel industry  of Gran Canaria. Tourism Economics. Tourism  Economics; 2001;7(2):177–190.
20.
Gössling S, Hall CM. Tourism and global environmental change: ecological, social, economic and political interrelationships. London: Routledge; 2006.
21.
Hamilton JM, Maddison DJ, Tol RSJ. Climate change and international tourism: A simulation study. Global Environmental Change. 2005 Oct;15(3):253–266.
22.
Herremans IM, Reid RE, Wilson LK. Environmental Management Systems (EMS) of Tour Operators: Learning from Each Other. Journal of Sustainable Tourism. 2005;13(4):311–338.
23.
Holden A. Environment and tourism. 2nd ed. London: Routledge; 2008.
24.
Hughey KFD, Ward JC, Crawford KA, McConnell L, Phillips JG, Washbourne R. A classification framework and management approach for the sustainable use of natural assets used for tourism. International Journal of Tourism Research. 2004 Sep;6(5):349–363.
25.
L�uck, Michael, Maher, Patrick T., Stewart, Emma J., International Institute for Environment and Development. Cruise tourism in polar regions: promoting environmental and social stability? [Internet]. London: Earthscan; 2010. Available from: http://proxy.library.lincoln.ac.uk/login?qurl=http%3A%2F%2Fwww.dawsonera.com%2Fdepp%2Freader%2Fprotected%2Fexternal%2FAbstractView%2FS9781849776394
26.
lynes JK, Dredge D. Going Green: Motivations for Environmental Commitment in the Airline Industry. A Case Study of Scandinavian Airlines. Journal of Sustainable Tourism. 2006;14(2):116–138.
27.
Mason P. Visitor Management in Protected Areas: From ‘Hard’ to ‘Soft’ Approaches? Current Issues in Tourism. Taylor & Francis Group; 2005;8(2–3):181–194.
28.
Medina LK. Ecotourism and Certification: Confronting the Principles and Pragmatics of Socially Responsible Tourism. Journal of Sustainable Tourism. Routledge; 2005;13(3):281–295.
29.
Mycoo M. Sustainable Tourism Using Regulations, Market Mechanisms and Green Certification: A Case Study of Barbados. Journal of Sustainable Tourism. 2006 Sep 15;14(5):489–511.
30.
Pechlaner H, Tschurtschenthaler P. Tourism Policy, Tourism Organisations and Change Management in Alpine Regions and Destinations: A European Perspective. Current Issues in Tourism. 2003;6(6):508–539.
31.
Peeters P, Schouten F. Reducing the Ecological Footprint of Inbound Tourism and Transport to Amsterdam. Journal of Sustainable Tourism. Routledge; 2006;14(2):157–171.
32.
Perry A. Will Predicted Climate Change Compromise the Sustainability of Mediterranean Tourism? Journal of Sustainable Tourism. 2006 Jul 15;14(4):367–375.
33.
Pröbstl U. Management of recreation and nature based tourism in European forests [Internet]. Berlin: Springer; 2010. Available from: http://proxy.library.lincoln.ac.uk/login?qurl=http%3A%2F%2Fwww.dawsonera.com%2Fdepp%2Freader%2Fprotected%2Fexternal%2FAbstractView%2FS9783642031458
34.
Ramjeawon T, Beedassy R. Evaluation of the EIA system on the Island of Mauritius and development of an environmental monitoring plan framework. Environmental Impact Assessment Review. 2004;24(5):537–549.
35.
St. Clair Baker A. Recreation and Tourism in Areas of Outstanding Natural Beauty: Key Influences on the Policymaking Process. Current Issues in Tourism. Taylor & Francis Group; 2005;8(2–3):93–113.
36.
Scott D, McBoyle G, Minogue A, Mills B. Climate Change and the Sustainability of Ski-based Tourism in Eastern North America: A Reassessment. Journal of Sustainable Tourism. 2006 Jul 15;14(4):376–398.
37.
Sharpley R. Tourism development and the environment: beyond sustainability? London: Earthscan; 2009.
38.
Shaw G, Williams AM. Critical issues in tourism: a geographical perspective. 2nd ed. Oxford: Blackwell; 2002.
39.
Buhalis D, Costa C. Tourism management dynamics: trends, management and tools. Oxford: Elsevier; 2006.