A Guide to Assessing Green Infrastructure Costs and Benefits for Flood Reduction

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To plan successfully, communities need to understand the options for addressing flood-related issues and their associated costs. This guide lays out a six-step watershed-based approach for documenting the costs of flooding, projecting increased flooding and associated costs under future land use and climate conditions, and calculating the long-term benefits and costs of a green infrastructure approach.

The guide draws from four case studies (Duluth, Minnesota; Toledo, Ohio; Green Bay, Wisconsin; and He‘eia, Hawaii) to provide key considerations, recommended expertise, practical implementation tips, and lessons learned.

Jumpstarting your green infrastructure assessment (2:35)

The following resources can help you work through specific steps from the guide.