This case study Valuing Nature for the Sustainable and Equitable Growth of the Lower Mekong builds off the 2013 WWF report ‘Economic Analysis of Ecosystem Services in the Lower Mekong Region’ which draws on the best available published data and techniques to quantify the economic value of ecosystems in Cambodia, Laos, Thailand and Vietnam and the costs and benefits of managing them sustainably. The modelling from this study found that there is a potential to add almost US$10.5 billion to the region’s economy by pursing a Green Economy (GE) over a Business as Usual (BAU) growth model. This case study provides a summary of the research produced by the WWF 2013 report and what it means for policy-makers in the Lower Mekong region in terms of concrete actions and recommendations.