Public Private Partnerships and Finance of Large-Scale Green Infrastructure in the Great Lakes Basin is a report presenting the outcome of an initiative to implement “large-scale” green infrastructure projects using private financing and/or private delivery in the Great Lakes Basin. “Large-scale” is defined as a green infrastructure project that requires an investment of at least $50 million in a particular region. The report identifies main economic and regulatory drivers for green infrastructure, as well as presents a decision tree as a tool to help communities decide if private financing is appropriate for their needs.