Regional Environmental Change

, Volume 13, Issue 3, pp 509–519 | Cite as

Options for water storage and rainwater harvesting to improve health and resilience against climate change in Africa

  • Eline Boelee
  • Mekonnen Yohannes
  • Jean-Noël Poda
  • Matthew McCartney
  • Philippe Cecchi
  • Solomon Kibret
  • Fitsum Hagos
  • Hammou Laamrani
Original Article

Abstract

West and East Africa experience high variability of rainfall that is expected to increase with climate change. This results in fluctuations in water availability for food production and other socioeconomic activities. Water harvesting and storage can mitigate the adverse effects of rainfall variability. But past studies have shown that when investments in water storage are not guided by environmental health considerations, the increased availability of open water surface may increase the transmission of water-related diseases. This is demonstrated for schistosomiasis associated with small reservoirs in Burkina Faso, and for malaria in Ethiopia around large dams, small dams, and water harvesting ponds. The concern is that the rush to develop water harvesting and storage for climate change adaptation may increase the risk for already vulnerable people, in some cases more than canceling out the benefits of greater water availability. Taking health issues into account in a participatory approach to planning, design, and management of rainwater harvesting and water storage, as well as considering the full range of water storage options would enable better opportunities for enhancing resilience against climate change in vulnerable populations in sub-Saharan Africa.

Keywords

Water storage Health Climate change Africa Small reservoirs Water harvesting 

Notes

Acknowledgments

This paper was prepared as one of the outputs in a project entitled “Rethinking water storage for climate change adaptation in sub-Saharan Africa,” funded by the Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH on behalf of the German Federal Ministry for Economic Cooperation and Development (BMZ) as part of its research program on Adaptation of African Agriculture to Climate Change. Earlier studies were funded through a variety of projects and donors, including the CGIAR Challenge Program on Water and Food (CPWF), the Canadian International Development Research Centre (IDRC), the CGIAR Systemwide Initiative on Malaria and Agriculture (SIMA), and the Poverty Reduction and Environmental Management (PREM) Programme of the Netherlands government. We thank our collaborators in the various studies, in particular Abderrahmane Ait Lhaj, Gayathri Jayasinghe, André Koné, Jonathan Lautze, Henry Madsen, Clifford Mutero, and Dramane Zongo. In addition, we thank the reviewers and Pay Drechsel for their constructive comments.

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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • Eline Boelee
    • 1
  • Mekonnen Yohannes
    • 3
  • Jean-Noël Poda
    • 4
  • Matthew McCartney
    • 2
  • Philippe Cecchi
    • 5
  • Solomon Kibret
    • 6
  • Fitsum Hagos
    • 2
  • Hammou Laamrani
    • 7
  1. 1.International Water Management Institute (IWMI)ColomboSri Lanka
  2. 2.International Water Management Institute (IWMI)Addis AbabaEthiopia
  3. 3.Mekelle UniversityMekelleEthiopia
  4. 4.Institut de Recherche en Sciences de la Santé (IRSS), Centre National de la Recherche, Scientifique et Technologique (CNRST)OuagadougouBurkina Faso
  5. 5.Institut de Recherche pour le Développement (IRD), IRD UMR G-EAUMontpellierFrance
  6. 6.Addis Ababa UniversityAddis AbabaEthiopia
  7. 7.International Development Research Centre (IDRC)CairoEgypt

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