NbS Triple Win Toolkit: Economics and Finance 57 Cost-benefit analysis of mixing gray and green infrastructures to adapt to sea level rise in the Vietnamese Mekong river delta (Thi Oanh et al, 2020) Viet Nam Ecosystem based adaptation Published literature 3 <= 250 Avoided costs(coastal damage) Cost–benefit analysis of mangrove ecosystems in flood risk reduction: a case study of the Tana Delta, Kenya (Karanja and Saito, 2017) Kenya Mangrove restoration Published literature 5 <= 2 Avoided damage and revealed preference approaches Housing Crop cultivation Fishing and businesses Cost–benefit analysis of mangrove restoration in Thi Nai Lagoon, Quy Nhon City, Vietnam (Huu Tuan and Duc Tinh, 2013) Viet Nam Mangrove restoration Grey literature 10 2 - 4 Increase in income (aquaculture, fishing) Ecosystem services Carbon sequestration Shoreline stabilisation Cost-benefit analysis of mangrove restoration for coastal protection and an earthen dike alternative in Mozambique (Narayan et al, 2017) Mozambique Mangrove restoration Grey literature Various 23 - 157 Carbon sequestration Increased income from project activities Coastal protection Mangrove plantation in Viet Nam: measuring impact and cost benefit (IFRC, 2010) Viet Nam Mangrove restoration Grey literature Various 3 - 68; 28 - 104 (including carbon pricing) Carbon sequestration Increased income from project activities Coastal protection