The Allier River is the largest tributary of the Loire River. It is a dynamic river with a rich biodiversity facing multiple challenges. Local actors are embracing NbS to tackle these challenges.

Strasbourg’s Eurométropole is developing ambitious plans to restore and preserve biodiversity in the metropolitan area.

Located at the mouth of the Rhône River, the Camargue faces multiple risks related to climate change.

The city of Angers is located at the confluence of several rivers and faces multiple challenges related to flood risk. In order to give more room to the rivers, two flood expansion zones exist upstream and downstream of the city.

Built in the 1930's, the Yolo Bypass (California) diverts the waters of the Sacramento River away from the city of Sacramento, and at the same time allows for extensive agriculture, provides habitat for migratory birds and fish. The area is also used for fishing, hunting and recreational activities.

After more than three decades using green infrastructure as an integral part of its stormwater infrastructure the city of Portland has become one of the pioneering cities in the US on using this approach.

San Francisco Public Utilities Commission (SFPUC) is implementing multiple green infrastructure projects based on their Urban Watershed Assessment, which will identify green and grey sewer infrastructure improvements over the next twenty years.

Different initiatives related to NBS are now emerging at different scales in the San Francisco Bay Area.