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Nature-Based Solutions Case Study Search

This database contains over 400 implementations of nature-based solutions. Use the filters to identify the case studies most relevant to you.

While all cases here exemplify applications of NBS strategies, they were gathered from various sources and not all were written using the framing of nature-based solutions. To qualify as a nature-based solution, a project must provide benefits to both people and nature. In some instances, the human benefits are present but not emphasized in the case write ups; these cases were included because they still provide useful information to learn from.

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Located at the intersection of North Plum Street and East Walnut Street, the site of numerous vehicle accidents from a confusing merge lane, the Plum and Walnut Green Intersection Project integrated green infrastructure (GI), enhanced pedestrian amenities and a roadway realignment to improve traffic safety and reduce stormwater runoff.

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The Texas Parks and Wildlife Department (TPWD) and the Borderlands Research Institute (BRI) in Alpine, Texas, collaborated with local landowners to prioritize areas for pronghorn-friendly fence modifications. The team removed old, unused fences and accompanying fence posts, and adjusted the height and bottom strand of existing restrictive fences to allow pronghorn passage.

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The project is part of the St. Vrain Forest Health Partnership which is a collaborative of agencies and community members working to increase the pace and scale of cross-boundary forest restoration that provide infrastructure protection and public safety in the St. Vrain Watershed.

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The San Francisco Parks Alliance, San Francisco Department of the Environment, and San Francisco Recreation and Parks Department received EPA Brownfield grants to clean up a former boatyard and revitalized the bayside property into a public park and greenspace. They also conducted a study to assess the property’s vulnerability to sea-level rise. 

NBS Strategies:
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Three wildlife overpasses and adjacent funnel fencing were constructed along United States Highway 93 (US93) to promote habitat connectivity for bighorn sheep and reduce wildlife-vehicle collisions. The project team spent two years monitoring GPS data for sheep distribution and trans-highway movements before construction.

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In the 1980s, the City of Tuscon implemented a “storage and recovery” (S&R) strategy to reduce its unsustainable reliance on groundwater. They treated groundwater, stored it in the aquifer, and reuse the treated water for non-portable water needs instead of pumping fresh groundwater. The Sweetwater Recharge Facilities features 40 acres of recharge basins and 22 acres of constructed wetlands.

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Valley Electric Association (VEA) and USFWS worked together to construct a wildlife-friendly solar power generation facility in the Mojave Desert near Pahrump, Nevada. VEA set solar panels higher above the ground (42 inches) relative to the industry standard (24 inches) and placed openings every 260 feet along the perimeter fence to allow wildlife passage.

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