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Saskia Marijnissen

Nature to the rescue: Using ecosystem services to reduce flood risks

12 May 2017 by Saskia Marijnissen, Regional Technical Adviser, Ecosystems and Biodiversity, UNDP Africa

In Sierra Leone, over 3 million people live in increasingly vulnerable coastal areas. Finding innovative and sustainable ways to work together with, rather than against, nature for effective risk reduction is critical. © Tommy Trenchard/ UNEP
From the mouth of the Mississippi to that of the Nile, communities have been drawn to coastal flood plains throughout the centuries. Where rivers and oceans meet, nature is at its best, and river sedimentation provides rich soils that greatly benefit agricultural productivity as well as fisheries. At present, an estimated 60 percent of our global population lives along estuaries and coastlines – making them among the most heavily populated areas of the world. As appealing as coastal areas are, living on a fertile floodplain comes with substantial risks. Floods are the most frequent of all natural disasters globally, and some of the largest disasters have occurred in coastal areas. Think about the devastation done by hurricane Katrina in New Orleans or the dangerous floods which happen every year in Bangladesh. … Read more