Madrid
Site: Madrid, the capital of Spain, is a large urban area with ~6.3 million inhabitants which is already implementing nature-based solutions. Through the “Madrid + Natural” project, the local council is promoting a system of blue- and green infrastructure linking public spaces, parks, natural areas, green walls and roofs in order to bolster the resilience of the city against climate change.
Situation: Madrid has a transition climate, between Mediterranean and cold semi-arid conditions, with strong fluctuations in temperature. This will be a demanding environment for the NICE pilot´s validation, with cold winters during which frequent frost and occasional snowfalls are expected.
Solution: The pilot is located within Aqualia´s (NICE partner) headquarters allowing for a close monitoring. Two NICE pilots will be tested in Madrid, each with the capacity to treat 2 m3/d greywater. The technologies considered include green walls, vegetable rooftops and rain gardens among others.
The NICE Urban Real Labs are ideal test beds for nature-based solutions for circular urban water solutions, as they have varied geographical, environmental and socioeconomic characteristics.
The Urban Real Labs cover a wide range of climate zones: tropical and subtropical (Pereira and Turin), Mediterranean (Talavera, Algeciras, Benalmádena, Lyon, Cairo), transition climate with extreme temperatures (Madrid), oceanic (Vigo, Aarhus), and Baltic (Gdansk).
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This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No.101003765.