Environmental refugees are people who can no longer gain a secure livelihood in their homelands because of drought, soil erosion, desertification, and other environmental problems, aggravated by pressures of population and poverty. All have abandoned their homelands with little hope of returning, looking elsewhere even though it may be hazardous. This paper presents some key findings from a Climate Institute three-year research project into these refugees. One person in 200 worldwide is an environmental refugee. More than 30 countries in sub-Saharan Africa have generated more than 100,000 refugees each; of these, 15 countries have generated at least one million each or have a population where one person in ten is a refugee. While the population of environmental refugees is already enormous, their numbers may swell dramatically with the projected global warming of the planet and other environmental pressures. They have already shown the largest proportional increase among all refugees in recent years. Few countries, however, have mobilized the institutional structures and support resources needed to cope with the fast-gathering crisis. If we do not deal with the problem in the short term, it will only become more severe and costly in the long term.

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refugee economics population Migrants demography Population Dynamics environmental protection Refugees health service Needs greenhouse effect climate Health Services Needs and Demand pollution Article migration Demographic Factors World Critique Emigration and Immigration Evaluation Studies Economic Factors Conservation of Natural Resources Transients and Migrants Environmental Pollution soil degradation Environmental Degradation Global Warming Desertification