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Working toward a more resilient world.
A community of researchers, practitioners, and educators working together to advance the practice of natural infrastructure.

We work across four main branches

In order to help facilitate the widespread adoption of natural infrastructure practices across the United States, we’ve identified four main areas that need additional work:

Developing methods and standards

New tools, techniques and guidance are needed to effectively plan, design, construct and operate natural infrastructure at different scales

Assessing benefits and costs

Natural infrastructure provides communities with a broad array of economic, environmental and social benefits. Improved approaches are needed to evaluate, quantify and forecast these benefits to support planning and decision making

Monitoring performance and outcomes

Technically sound, efficient and applicable methods are needed to track natural infrastructure performance over time, develop the evidence base for future designs, ensure compliance with policy and inform project operations and adaptive management

Integrating people and policy

Providing infrastructure that supports human wellbeing and equitably meets the needs of diverse communities requires integration of human values, attitudes, beliefs, perceptions and policies with modern communication and collaboration practices


Combining a diversity of on-the-ground experience with interdisciplinary teams.

The NNI community is made up of over 30 partners from industry, academia and the non-profit sector.

What NNI’s been up to:

  • Stream Crossings in Georgia: A Handbook for Connectivity and Resilience

    Stream Crossings in Georgia: A Handbook for Connectivity and Resilience

    As you drive the winding roads of Georgia, it’s a common occurrence to sail over a culvert or bridge and get a brief glimpse of a stream burbling away into the overgrowth before you’re whisked on to new views. These intersections of infrastructure and nature are so commonplace that we hardly think about them. However,…

  • Rethinking Riverine Flooding: Q&A with Matt Chambers

    Rethinking Riverine Flooding: Q&A with Matt Chambers

    Matt Chambers is a PhD student working under IRIS Director Dr. Brian Bledsoe. His work modeling the impacts of levee setbacks on upstream and downstream communities highlights how natural infrastructure solutions can increase community resilience.  In the past, engineers attempted to prevent rivers from flooding by placing tall walls on either side of them, called…

  • Improving flood literacy: GA DNR Coastal Resources Division develops new tool

    Improving flood literacy: GA DNR Coastal Resources Division develops new tool

    The Georgia Department of Natural Resources recently developed a new tool as part of their Georgia Flood Literacy Project. This project is intended to create clear language around flooding, so that the public has a better understanding of the risks they face from flooding. As the story map says, “The way flood terms are used…

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