Disaster Risk, Climate Change, and Poverty [electronic resource] Assessing the Global Exposure of Poor People to Floods and Droughts. Winsemius, Hessel C.

Winsemius, Hessel C.
Other Title:
World Bank working papers.
Washington, D.C. : The World Bank, 2015.
Policy research working papers.
World Bank e-Library.
Government document
1 online resource (35 p.)
Local subjects:
Poverty reduction
Urban development
Water resources
Natural disasters
Hazard risk management
Climate change mitigation and green house gases
Rural poverty reduction
Global scale
Climate change
System Details:
Mode of Access: World Wide Web.
People living in poverty are particularly vulnerable to shocks, including those caused by natural disasters such as floods and droughts. Previous studies in local contexts have shown that poor people are also often overrepresented in hazard-prone areas. However, systematic evidence across countries demonstrating this finding is lacking. This paper analyzes at the country level whether poor people are disproportionally exposed to floods and droughts, and how this exposure may change in a future climate. To this end, household survey data with spatial identifiers from 52 countries are combined with present-day and future flood and drought hazard maps. The paper defines and calculates a "poverty exposure bias" and finds support that poor people are often overexposed to droughts and urban floods. For floods, no such signal is found for rural households, suggesting that different mechanisms-such as land scarcity-are more important drivers in urban areas. The poverty exposure bias does not change significantly under future climate scenarios, although the absolute number of people potentially exposed to floods or droughts can increase or decrease significantly, depending on the scenario and the region. The study finds some evidence of regional patterns: in particular, many countries in Africa exhibit a positive poverty exposure bias for floods and droughts. For these hot spots, implementing risk-sensitive land-use and development policies that protect poor people should be a priority.
Winsemius, Hessel C.
Jongman, Brenden
Veldkamp, Ted I.E.
Hallegatte, Stephane
Bangalore, Mook
Ward, Philip J.
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Print Version: Winsemius, Hessel C. Disaster Risk, Climate Change, and Poverty: Assessing the Global Exposure of Poor People to Floods and Droughts
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