North temperate zone

On Samsø Island, farmers created small wetland reservoirs to collect drainage water during rainy seasons and reuse it for irrigation in dry periods. These “water batteries” help preserve groundwater for drinking while sustaining local agriculture. They are hence very important to tackle the island’s limited freshwater resources. This showcase will evaluate the effectiveness and cost-efficiency…

Around the city of Aarhus, approximately 350 hectares of low-lying organic soils are being transformed into wetlands. They connect natural habitats and create green circular corridor that link several sites. This initiative enhances biodiversity, carbon capture, and groundwater recharge while offering new recreational spaces for citizens. This showcase also investigates how municipal governance and financing…