Monday 18 March 2019
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Senegal: The Cost of Coastal Zone Degradation in West Africa: Benin, Côte d Ivoire, Senegal and Togo, March 2019

Source: World Bank Country: Benin, Côte d Ivoire, Senegal, Togo
West Africa’s Coast: Losing Over $3.8 Billion a Year to Erosion, Flooding and Pollution Story Highlights West Africa’s coastal areas host about one third of the region’s population and generate 56% of its GDP. According to a new World Bank study, environmental degradation in the coastal areas of Benin, Côte d’Ivoire, Senegal, and Togo cost $3.8 billion, or 5.3% of the four countries’ GDP in 2017. Beyond the economic cost, coastal degradation takes lives and destroys livelihoods. WASHINGTON, March 14, 2019―For a long time, Yacine Dieng used to make a decent living as a fishmonger in Bargny, Senegal. Like other members of the Lebou, tribe of the fishermen, she took pride in living on the coast, and off the marine resources that were plentiful. But as the sea gradually swallowed her home, her possessions, and her pride, she could no longer provide for her family. Yacine has now found a new passion: helping women from the coast get organized and lobby for solutions that can improve their lives. “The sea took the little we had. We are left with no choices, we have nowhere to go,” she explains. Yacine’s story is one that could be repeated by thousands who live along the coast of West Africa. Beyond the shattered lives, the harsh consequences of erosion, pollution and flooding are very costly to Benin, Côte d #39;Ivoire, Senegal and Togo. A new World Bank study reveals in economic terms the cost of the damage in these four countries. Titled The Cost of Coastal Zone Degradation in West Africa, the study shows staggering numbers. In 2017 alone, flooding, erosion, and pollution cost about $3.8 billion, or 5.3% of the four countries’ GDP. Moreover, coastal degradation causes more than 13,000 deaths a year, primarily due to floods, air and water pollution. “For the first time, there is a consistent approach to estimating the impacts of environmental degradation in West Africa’s coastal areas,” says Benoît Bosquet, Director for Environmental and Natural Resources Global Practice at the World Bank. “The findings show the financial and social urgency to strengthen the resilience of millions of people living on the coastline. Countries need to work together to find common solutions and crowd-in the finance needed to protect their coastline and avoid future damage.” In Cote d’Ivoire where floods are most damaging, the cost of degradation was estimated at nearly $2 billion equivalent to 4.9% of its GDP. In Benin, a country prone to erosion, this cost was estimated at $229 million equivalent to 2.5% of the country’s GDP. These threats are aggravated by climate change which increases the vulnerability of the coastal communities. These communities are fully affected by flooding due to extreme local rainfall and to rivers overtopping their banks and leading to major damage to assets, houses and infrastructure. Critical ecosystems such as beaches and mangroves as well as many farmlands have been devastated. Erosion is due to both natural and manmade factors and cost nearly $ 1 billion to the four countries. The coastline is very dynamic. Some areas have no erosion at all, some have land loss, and other land gains. The study estimated that 56% of the coastline in Benin, Cote d’Ivoire, Senegal and Togo is subject to an average erosion of 1.8 m per year. Erosion rates are especially high in Benin with an average loss of 4 meters per year on 65% of the coast. Pollution is also a growing concern for many stretches of the coast. The combined effect of air pollution, lack of water supply, sanitation, and proper waste management takes an important toll on people’s health and quality of life. The cost of air, water and waste pollution was estimated at about $1.4 billion in 2017 in the four countries. In Senegal alone, air and water pollution are responsible for about 4,400 deaths annually mostly among children under 5 years of age. The West African coastline is beautiful and has a huge tourist potential,” says Maria Sarraf, Practice Manager, Environment and Natural Resources, Africa Region, World Bank and co-author. “Our study shows that investing in coastal adaptation now will reduce these damages and save billions of dollars in the future”. To help countries meet these challenges and preserve their coastline, the World Bank launched in 2018, the West African Coastal Zone Management Program (WACA). The program finances interventions such as the construction of protective measures, the restauration of mangroves and the treatment of waste to combat the pollution of the ocean. The degradation of West Africa’s coasts already has dramatic significances for Yacine Dieng and many others. Investing in coastal preservation today will help them rebuild their livelihoods.


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