[1] C. Abbott, “Urbanization,” Dictionary of American His-tory, The Gale Group Inc., 2003. Encyclopedia.com: http://www.encyclopedia.com/doc/1G2-3401804367.html
[2] Agenda 21, United Nations Conference on Environment & Development Rio de Janerio, Brazil, 1992.
[3] UN Habitat, State of the World’s cities, Harmonious Cit-ies, pp. 1–280, 2008/2009.
[4] UNESCO, “Education for sustainability, from Rio to Johannesburg: Lessons learnt from a decade of commit-ment,” World Summit on Sustainable Development Jo-hannesburg, pp. 1–46, 26 August–4 September 2002.
[5] C. Toulmin, “Securing land and property rights in Sub-Saharan Africa: The role of local institutions,” Interna-tional Institute for Environment & Development (IIED), London, UK. Journal of Land Use Policy, Vol. 26, No. 1, pp. 10–19, 2008.
[6] Acho-Chi, “Human interference and environmental insta-bility: Addressing the environmental consequences of rapid urban growth in Bamenda, Cameroon,” Journal of Envi-ronment and Urbanization, Vol. 10, pp. 161–174, 1998.
[7] L. Motoyana and I. Masserb, “Management of natural hazard risk in Cartago, Costa Rica,” Habitat International, Vol. 29, pp. 493–509, 2005.
[8] UN Millennium Development Goal Report, pp. 1–54, 2008.
[9] World watch Institute, “Preface,” State of the World 2007: Our Urban Future, New York and London: W. W. Norton and Company, pp. 24, 2007.
[10] H. Lan, C. Martin, C. Froese, T. Kim, A. Morgan, and D. Chao, “A web-based GIS for managing and assessing landslide data for the town of Peace River,” Canada Natural Hazards and Earth System Sciences, Vol. 9, pp. 1433–1443, 2009.
[11] M. G. Culshaw, “The seventh glossop lecture from con-cept towards reality: Developing the attributed 3-D geo-logical model of the shallow subsurface,” Journal of En-gineering Geology and Hydrogeology, Vol. 38, pp. 231– 284, 2005.
[12] C. Flávio, et al., “Comparison of different multifunctional landscapes approaches for flood control in developing coun-tries,” Computational Hydraulic Laboratory Federal Univer-sity of Rio de Janeiro, Session 1.2, pp. 83–90, 2007.
[13] G. Avijit and R. Ahmad, “Geomorphology and the urban tropics: Building an interface between research and usage,” Journal of Geomorphology, Vol. 31, pp. 133–149, 1999.