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From 1850 to 1956 the area Eskesberg was a limestone mine, after that up until 1972 it served as a landfill. When taken over by the city of Wuppertal, groundwater contamination and outgassing required a large remediation to remove toxic substances and recover the area according to nature conservation guidelines. (Ref. 8) Since 2005, it has been turned into a nature conservation area covering 8.5 ha where several rare plants and animals have resettled and thus the area also serves as an important recreational space for residents (Ref. 1, 2, and 3). The project was initiated by the local government, who also collaborate with different partners for maintaining the nature conservation area, such as the biological station, which organizes excursions, performs monitoring on the terrain and sets up bee hives. Also, residents apart from visiting the area can actively participate in its maintenance as volunteers, guided by the city of Wuppertal and the NGO Biologische Station Mittlere Wupper. Furthermore, the nature conservation association of Wuppertal and scientists from the university of Cologne are involved in the intervention by conducting research on the terrain (Ref. 1, 2, 3 and 6).

The Foz do Douro Urban Park located in the west of Porto city is a green area for public use inserted into a recently developed urban area, which has been progressively been built along the Atlantic seafront since the nineteenth century and the Park is part of an overall project submitted in the competition Nuno Álvares Avenue Plan promoted by the Porto Municipality. With approximately 5ha, Foz do Douro Urban Park clearly contributes to increasing the rates of existing green areas for public use, increasing the availability of open spaces for the local and regional level. (1)

On the territory of the former train station Vohwinkel (including the train tracks) a brownfield site of 15 ha was turned into a commercial urban area which was created as an economic driver for Wuppertal. However, the site was inhabited by the highly endangered sand lizard, which is why a species conservation island was created as the commercial park was being built. As a habitat of the endangered sand lizard species, the conservation area in the South-West of the commercial park remained free from construction development, and an adequate conservation concept was elaborated and implemented. The nature conservation area is maintained by the environmental protection department of the city. (Ref. 1 and 6). The project succeeded in its goal of creating a commercial area on the former Vohwinkel marshalling yard while simultaneously paying attention to the protection of the endangered sand lizard. (Ref. 2) Additionally to the conservation area within and around the commercial zone, lizards have also been relocated beyond the city limits as a biodiversity offsetting measure. (Ref. 8) Furthermore, the dried out Krutscheider stream, forming part of an important biotope system with its gravel surfaces, was dug out again to serve as a green corridor for compensation against the habitat loss. (Ref. 1, 4 and 6)

A project for the creation of a new central park was launched in 2018, where a harbor consisting of three docks used to be and is now used as primarily as a car park. The park was planned to consist of three large green spaces that are the exact same size as the original docks. As the green areas are planned to be surrounded by rows of trees, the park will look like New York’s Central Park. The park is set to contribute to Antwerp’s climate change resiliency as the central green area will contain a water basin in which stormwater can be stored temporarily and slowly infiltrate, which is enhanced by the riverbank vegetation (Ref. 1, 2, 6).

Offord Road community garden is a place for the residents of West Reading (i.e. those who live, work, go to school in the area). Reading Borough Council set up the community garden (i.e. the green space) at the Oxford Road end of Western Elms Avenue through a grant called ‘Section 106’ (thus giving the site back to the community in 1996). (Ref. 1, 2, 7)

Pegnitztal West is a new corridor and recreation zone along a section of the Pegnitz river in Nurnberg suitable for all kinds of social groups and intended for recreational activities (1). The project instrumentalizes green and blue infrastructure for creating conditions for sport, leisure, and recreation, as well as serving a transitional function for the dwellers of the neighboring Gostenhof and St. Johannis districts (1). The green corridor also provides a protected urban habitat for various species, including more than 8 different tree species, water bats, green woodpeckers and swamp warblers. The project also stabilized the water level of the river and helps flood protection efforts. (2, 7)

A project began in June 2017 to plant grass, flowers, trees, and shrubs on 10 hectares of “muddy spots”, or unused lands that were being eroded and increasing of dust particles in the city. The aim of the project was to improve the air quality and stop these muddy areas being used as unregulated parking spots. The project was initiated and is partly implemented by the municipality, while volunteers also took part in the initiative, brought together by the citizen group called When we Become 100 000 – we Will Plant a Forest. The project planned to use compost from the new composting facility in Sofia, which reuses food waste. (Ref. 1; Ref. 2)

In 2017, Park Service of Portsmouth City Council has introduced a new approach to its annual 'In Bloom' campaign, aiming at increasing urban biodiversity, promoting pollinating insects and making the city more colourful (1,5).
As part of the initiative, 15 wildflower meadows have been created with information boards at various spots in the city including parks, gardens and schoolyards as well. Planted seed mixes had been carefully tested and selected to fit the local environmental conditions, including native species and promote pollination (5). The campaign has been appreciated by citizens and visitors of the Urban Meadows (5).
The urban meadows are planted as a part of an annual campaign (3)

The municipality aimed to establish a zone in Murcia that worked as a "green lung" for the city while making it its engine for economic, social and cultural development (Ref 2). For this, the municipality planned and implemented the project of "Integrated Alcantarilla Parks". It includes several parks, with the priority of creating one in the surroundings of the Ethnological Orchards Murcia's Museum (Ref 1). The project is called integrated as it is based on the integral values of sustainability where the environment, the economic development and the socio-cultural needs are compatible (Ref 2). For this, there will be sustainable architecture, recovery of the natural environment, as well as incorporating the historical heritage in the public green areas of a specific zone (Ref 3). There are many parks that are part of this project, the last one was the Ibarra de Murcia Park in 2020 (Ref 7 and 8).

In 2017, the municipality of Sintra approved the municipal Solidarity Gardens Program, which aims at enabling the inhabitants of Sintra to "value solidarity and, in some way, value natural resources" (ref.4).
This intervention aims to create small gardens in urban areas. Not only as a tool for subsistence for families in situations of social vulnerability but also to generate access to areas that tend to deteriorate, through correct management and profitability of resources. Eventually, the NBS aims to promote actions for the implementation of sustainable urban development, focused on strengthening family and local agriculture (1)