More than 3.5 million people in Bangladesh depend on the Sundarbans mangrove forest for their livelihoods. Located in southwest Bangladesh on the border with India, the 140,000 hectare UNESCO World Heritage site is the largest mangrove forest in the world. Winrock’s USAID-funded ClimateResilient Ecosystems and Livelihoods (CREL) project has supported a first-ofits kind, on-the-ground assessment to determine the economic value of the services provided by the Sundarbans