[en] Estimates and predictions of people displaced by environmental changes have been highly instrumental in the ever-increasing attention given to environmental migration in the media. Yet no consensual estimate exists, let alone a commonly agreed methodology. As a result, predictions and estimates have become one of the most contentious issues in the debates on environmental migration. This article seeks to review the key estimates and predictions existing in the literature, as well as the methodologies they are built on, and the problems and caveats they are fraught with. The first part reviews the figures related to current estimates of people displaced by environmental changes, while a second part examines the predictions for future displacements. The next section synthesises the key methodological difficulties and a final section suggests some possible avenues for improvement.
Gemenne, François ; Université de Liège - ULiège > Institut des sciences humaines et sociales > Centre d'études de l'ethnicité et des migrations (CEDEM)
Langue du document :
Anglais
Titre :
Why the numbers don’t add up: A review of estimates and predictions of people displaced by environmental changes
Date de publication/diffusion :
2011
Titre du périodique :
Global Environmental Change: Human and Policy Dimensions
Adam D. 50m Environmental Refugees by End of Decade, UN Warns 2005, The Guardian, London.
Afifi, T., Warner, K., 2008. The Impact of Environmental Degradation on Migration Flows across Countries. Working Paper No. 5. UNU-EHS, Bonn.
Bates D.C. Environmental Refugees? Classifying Human Migrations Caused by Environmental Change. Population and Environment 2002, 23(5):465-477.
Best J. Damned Lies and Statistics. Untangling Numbers from the Media, Politicans, and Activists 2001, University of California Press, Berkeley and Los Angeles.
Betts R.A., Collins M., et al. When could global warming reach 4°C?. Philosophical Transactions of the Royal Society A 2011, 369(1934):67-84.
Biermann F., Boas I. Preparing for a warmer world. Towards a global governance system to protect climate refugees. Global Environmental Politics 2010, 10(1):60-88.
Black, R., 2001. Environmental refugees: myth or reality? New Issues in Refugee Research, No. 34. UNHCR, Geneva.
Boano, C., Zetter, R., et al., 2008. Environmentally displaced people: understanding the linkages between environmental change, livelihoods and forced migration. Forced Migration Policy Briefing. Refugee Studies Centre, Oxford.
Brown, O., 2008. Migration and climate change. IOM Migration Research Series, No. 31. IOM, Geneva.
Castles, S., 2002. Environmental change and forced migration: making sense of the debate. New Issues in Refugee Research, No. 70. United Nations High Commissioner for Refugees, Geneva.
Christian Aid Human Tide: The Real Migration Crisis 2007, Christian Aid, London.
Conisbee M., Simms A. Environmental Refugees. The Case for Recognition 2003, New Economics Foundation, London.
Crisp, J., 1999. Who has counted the refugees? UNHCR and the politics of numbers. New Issues in Refugee Research, No. 12. UNHCR, Geneva.
Dun O., Gemenne F. Defining 'environmental migration'. Forced Migration Review 2008, 31:10-11.
El-Hinnawi E. Environmental Refugees 1985, UNEP, Nairobi.
Friends of the Earth Australia A Citizen's Guide to Climate Refugees 2007, Friends of the Earth Australia, Fitzroy, Australia.
Gemenne F. Climate-induced population displacements in a 4°C+ world. Philosophical Transactions of the Royal Society A 2011, 369(1934):182-195.
The Anatomy of A Silent Crisis 2009, Global Humanitarian Forum, Global Humanitarian Forum, Geneva.
Hansen J., Sato M., et al. Global temperature change. Proceedings of the National Academy of Sciences 2006, 103(39):14288-14293.
Henry S., Boyle P., et al. Modelling the influence of the natural environment on inter-provincial migration in Burkina Faso, West Africa. Applied Geography 2003, 23(115-136).
Henry S., Piché V., et al. Descriptive analysis of the individual migratory pathways according to environmental typologies. Population and Environment 2004, 25(5):397-422.
Hugo G. Environmental concerns and international migration. International Migration Review 1996, 30(1):105-131.
Hunter L. Migration and environmental hazards. Population and Environment 2005, 26(4):273-302.
International Federation of Red Cross and Red Crescent Societies, 2001. World Disasters Report. Focus on Recovery. International Federation of Red Cross and Red Crescent Societies, Geneva.
Jacobson, J., 1988. Environmental Refugees: A Yardstick of Habitability. WorldWatch Paper 86. WorldWatch Institute, Washington, DC.
Kniveton, D., Schmidt-Verkerk, K., et al., 2008. Climate change and migration: improving methodologies to estimate flows. IOM Migration Research Series, No. 33. IOM, Geneva.
Kolmannskog V.O. Future Floods of Refugees. A Comment on Climate Change, Conflict and Forced Migration 2008, Norwegian Refugee Council, Oslo.
Majone G. Evidence, Argument, and Persuasion in the Policy Process 1989, Yale University Press, New Haven, CT.
Massey, D.S., Axinn, W., et al., 2007. Environmental Change and Out-Migration: Evidence from Nepal. Research Reports. University of Michigan, Population Studies Center, Ann Arbor.
Milan S. Searching for a Place Under the Sun 2004, Inter Press Service, Rieti.
Myers N. Environmental refugees in a globally warmed world. BioScience 1993, 43(11):752-761.
Myers N. Environmental refugees. Population and Environment 1997, 19(2):167-182.
Myers N. Environmental refugees: a growing phenomenon of the 21st century. Philosophical Transactions of the Royal Society B 2002, 357(1420):609-613.
Myers N., Kent J. Environmental Exodus: An Emergent Crisis in the Global Arena 1995, Climate Institute, Washington, DC.
Nicholls R.J. Coastal flooding and wetland loss in the 21st century: changes under the SRES climate and socio-economic scenarios. Global Environmental Change 2004, 14(1):69-86.
Nicholls R.J., Marinova N., et al. Sea-level rise and its possible impacts given a 'beyond 4°C world' in the twenty-first century. Philosophical Transactions of the Royal Society A 2011, 369(1934):161-181.
Pearce, F. 2011. Searching for the climate refugees. The New Scientist. 2810.
Piguet E. Re-embedding the environment into migration theory. Conference: Remaking Migration into Migration Theory: Intersections and Cross-Fertilisations 2009.
Piguet E. Linking climate change, environmental degradation, and migration: a methodological overview. Wiley Interdisciplinary Reviews: Climate Change 2010, 1(4):517-524.
Rahmstorf S. A new view on sea level rise. Nature Reports 2010, 4:44-45.
Renaud, F., Bogardi, J.J., et al., 2007. Control, Adapt or Flee. How to Face Environmental Migration? InterSecTions, No. 5. United Nations University Institute for Environment and Human Security (UNU-EHS), Bonn.
Sabatier P.A. Knowledge, policy-oriented learning, and policy change: an advocacy coalition framework. Science Communication 1987, 8(4):649-692.
Stern N. The Economics of Climate Change. The Stern Review 2007, Cambridge University Press, Cambridge.
Suhrke A. Pressure Points: Environmental Degradation, Migration and Conflict 1993, American Academy of Art and Science, Cambridge, MA.
Suhrke A. Environmental degradation and population flows. Journal of International Affairs 1994, 47(2):473-496.
Tolba M. Our biological heritage under siege. BioScience 1989, 39:725-728.
United Nations Convention to Combat Desertification, 2010. Frequently Asked Questions. Retrieved 10 June, 2010. From http://unccd.int/library/menu.php%3Fnewch=l81.
Westing A.H. Environmental refugees: a growing category of displaced persons. Environmental Conservation 1992, 19(3):201-207.
Yenotani M. Displacement due to Natural Hazard-Induced Disasters. Global Estimates for 2009 and 2010 2011, IDMC & NRC, Oslo.
Zolberg A.R. The next waves: migration theory for a changing world. International Migration Review 1989, 23(3):403-430.
