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The Chirita dam is the drinking water reserve of Iasi. The lake is protected by law, with bathing or fishing prohibited. In 2013 it was cleaned and sanitized since it became an area where many people used to dump their house residues. As such a national campaign sponsored by an NGO having social responsibility claims implemented this NBS, which meant cleaning the shores of the lake (1).

JDS Architects Designed a Geometric Green-Roofed Youth Center for Lille, France. Organized around a massive courtyard, the three sections of the triangle building each feature a roof that serves as an integral part of its sustainability. The kindergarten roof was planned to be a vegetated garden area with a grassy play surface that helps cool the building. (Ref 1)

The Ronald McDonald House is a temporary home for families with seriously ill children who are treated at the Essen University Hospital. The house was designed by the artist Friedensreich Hundertwasser, who merged the garden and architecture together in order to bring residents of the house closer to nature improving their psychological and health conditions (Ref. 1). The house was opened in 2005 in Essen's Grugapark (Ref. 2). A special highlight is the accessible intensive Green Roof (950 sqm) with grass, herbs, flowers, shrubs, and trees (Ref. 3).

Green roofs were installed on two buildings the Wellness Hotel in Maximus Resort in Brno. The roofs have technical, ecological, and aesthetic functions. The main objective was to integrate the buildings of the Wellness Hotel to the surrounding greenery in order to create a quiet and undisturbed place for relaxation (Ref. 1; Ref. 2).

This NBS is part of a building complex which includes also a mall. The PALAS urbanization complex, developed by IULIUS in Iasi, introduces the "lifestyle center" concept in the "mixed-use developments" market in Romania. Designed as a large urban, economic, social and cultural development project, PALAS contributes to the development of Iaşi by attracting foreign investors and repositioning the capital of Moldova in the national and international tourist circuit, bringing also new concepts to the Romanian business market. More than being a public garden, this green space is viewed as an endowment to the development of the city (1)

From 2009 to 2018, a green wall including 1,700 mediterranean perennials (agapanthus, valerian, fern) fed by a water-saving watering system was in place in a heavily frequented part of Marseille (Ref. 3, slide 4). JC Decaux Advertising offered the 70 m² of space for advertising display around the green wall. The project was abandoned in 2018 when the vegetation was completely removed to allow for advertisements to take up the entire surface of the wall (Ref. 1).

The aim of the project is to implement a sustainable rainwater management in Hamburg that is adjusted to the heavy rainfalls attributed to global climate change. The project involves the analysis of pilot projects, including GIS-based analysis and the development of the city's rainwater structure plan 2030, Strukturplan Regenwasser 2030, (Reference 1) that will serve as a basis for the Integrated RainWater Management (IRWM) in Hamburg (Reference 5).

The ‘University Park Essen’ is developed on a former railway site in the inner city of Essen, that had been a wasteland for almost 30 years. By revitalizing this about the 13-hectare large plot, an urban green quarter for residential and commercial use is created. The centricity of the park within the new quarter between the city center, shopping mall Limbecker Square and the university campus is the first visible component of the development and therefore shapes the new identity of the quarter (Ref. 4).

The city of Palermo has planned a series of interventions to regenerate the coastal area in the Southern part of the city (Bandita, Romagnolo and Acqua dei Corsari). The activities performed to reach this goal were the cleaning of the green areas which surround the coast and creation of playground zones for kids. In particular, the green areas were expanded with the plantation of typical plants of the Mediterranean area. This project was aiming to improve the condition of both water and the coast itself, to make it more attractive and accessible to everyone. (Ref.1.)

The municipal agency Gardens and Parks collaborated with the hospital "St. Panteleymon" in Plovdiv in order to restore the condition of their rehabilitation park in the yard. This involved planting 550 trees, cleaning and securing the area, and removing or modifying problematic trees. The park has thus become a more hospitable place for rehabilitation of patients (Ref. 1; Ref. 2).