The Natural Infrastructure for Aquifer Recharge Financial Calculator, is an excel based tool with a flexible financial model that estimates the private costs and benefits, including the return on investment (ROI), of natural infrastructure interventions designed to enhance aquifer recharge. This calculator was designed to...

Executive summary A growing body of research shows that healthy watersheds are a vital component of a well-functioning water supply infrastructure system. When green infrastructure is used to complement, substitute, or safeguard traditional gray infrastructure, it can achieve optimal service delivery and save water suppliers...

In this report, the World Bank and World Resources Institute show how the next generation of infrastructure projects can tap natural systems and, where appropriate, integrate green and gray infrastructure.