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The entire neighbourhood area was calling for interventions, considering the conditions of decay of this part of the city. The initiative was requested by the residents of the area, in particular considering the state of plants and trees. What needs to be provided is a new surface of grass to replace the terrain on the ground to avoid problems of flooding and new plantations. The park has an important function in terms of mitigation of anthropogenic pressures, but also in terms of social value for the residents. (Ref.1.)

'Proeftuin Erasmusveld' is a new and sustainable urban residential area in The Hague. It will be a new nature-inclusive, energy-efficient, car-free neighbourhood that is created for plants, animals and people promoting healthy living (1). As of November 2020, The building of the neighbourhood with its unique houses and buildings is still in progress (1).

Currently, the area is an 'experimental area' for all kinds of sustainability initiatives that may be used for the realization of the neighbourhood, including self-sufficient 'tiny houses' and urban farmland (1,2). The ambition for Erasmusveld is to become a leading sustainable neighbourhood with a sustainable water system, the use of sustainable energy and a vegetable garden with high connectedness between citizens (4).

The association Legambiente Catania has presented a project to protect and enhance the biodiversity of the Cibali forest, a natural reserve in Catania close to the volcano Etna. The area has been subjected to strong anthropogenic pressures in the last decades, and the area is home of several species of flora and fauna. The main aim of this intervention Is to protect endangered species and to preserve the services the forest provides in terms of air quality regulation and heat mitigation. In addition, the entire zone is a cultural heritage for the whole island (Ref.1.)

The Environmental Conditioning Project of the surroundings of the Contraparada (Murcia) intends to environmentally recover one of the most emblematic cultural places in Murcia while enhancing a social and educational use of the area. The project intends to recover and regenerate the river ecosystem, which has practically disappeared and make it easy to visit and to contemplate. This intervention includes the creation of the infrastructure of education and research purposes. It is part the first of a four steps project to recover La Contraparada as a natural and cultural location (Ref 1).

"Formerly a 10 hectare market gardening site, the Repainville area is rich in environmental potential: ponds, streams, springs ... the aquatic environment is present everywhere. There is a great variety of fauna and flora. As an ecosystem that is particularly rare in urban areas, protection and recovery measures are being undertaken" (Ref. 1). The restoration of the wetland of Repainville is part of a flagship project of the municipality in terms of safeguarding biodiversity in urban areas. With arrangements allowing the public to walk there without harming the biological and natural diversity of the place, the site has an educational dimension in order in particular to make young audiences aware of the preservation of the ecosystem (Ref. 7).

The municipality of Catania has promoted an initiative that involves schools and non-profit associations, for which available space for urban gardens and horticulture has been provided. The main aim was to regenerate areas which were used abusively as landfills and for criminal activities. What will be produced must strictly conform to the principles of sustainable production, by using biological products and 0 environmental impact techniques. (Ref.1.)

The community garden "Les Hauts Sèment" is located in Rouen in the district of Lombardy, being the first community garden of Rouen animated by the city in 2011. It is "an educational garden which has been created and is maintained by the gardener in association with users wishing to invest in the association. It is supported by different animations" (Ref. 1 and 2, page 12).

After Local Community consultation, a pocket park was created in Luton Millenium Green to facilitate community engagement and a sustainable legacy for future generations. The project included the installation of pathways, clear invasive vegetation, common vegetable planters, wildflower and enclosed areas and an orchard with 30 trees (ref 1, 3).

The regeneration of the square in Catania has been envisioned since 2016 and completed in 2017. Apart from the changing rules in the accessibility of the square, the central area was equipped with a large flowerbed and additional trees and plants of different geographical origins. The whole green area provides illumination infrastructure, benches and bins to collect trash. This is expected to improve the whole area, and to create a new place of social inclusion and meeting point. (Ref.1.)

This intervention involved the removal of sediment and revitalization of the banks along with the rehabilitation of the urban part of the Segura River in Murcia. This was done to strengthen the environmental condition of the river and improve the visual aspects and the access of citizens to the river (Ref 3 and 7). In 2020, they are building the second part of the project, where the aim is to build three different walkways that join the two sides of the rivers and that will connect specific places along with it (Ref 5).