Earmarked public budget

This NBS deals with the recovery of an avenue (about five thousand five hundred meters in length, it is the longest Portuguese avenue) that connects Porto's City Park with another avenue and the seaside. The NBS is implemented by the municipality of Porto and it indents to create a green corridor between 2 locations: Ribeira de Aldoar and Avenida da Boavista. Previously, work has been done to this NBS, in 2005, but it was not finalized. (1) As of 2019, the Municipality of Porto announced that work will be halted for this NBS (5)

The Oriental Park of the City of Porto is an urban natural park designed by the landscape architect Sidónio Pardal. It will be one of the largest urban parks in the country and the second-largest in the city of Porto. This NBS focused on the transformation of a derelict, depressed urban area into a green space. The first part of the park was inaugurated in July 2010 and the municipality has plans to build it through several phases over the next decade until it reaches its project area. (1)

The Haumanngarten is a community garden in Essen founded by the Transition Town movement (Ref. 1). Since May 2015 a mixed group have been growing vegetables, herbs, flowers and berries on a former playground. Fellow gardeners with and without knowledge of gardening participate in the garden (Ref. 2).

An old hippodrome will be transformed into a natural urban park. "The Metropole of Rouen has launched this reconversion project of in consultation with residents and associations. It is the Mutabilis group that has been chosen to carry out this transformation, the first work of which will begin in 2017. The project, called "Champ Libre", integrates all the components essential to urban life: a place of discovery, nature and innovative agriculture" (Ref. 6).

Citizens have taken the initiative to create a community garden on an area where an abandoned building was located. With community engagement and support form public and private sector actors along with non-profit organisations, the garden was officially opened in 2011, bringing urban green space closer to the residents of the quarter. (1,2,3) The garden consists of recreational facilities, green space, a vegetable garden, fruit trees, a pond and activities are organized, which all largely contributes to social cohesion. The community has formed multiple groups that are responsible for parts of the community garden. (1)

A class of thirty students of a preschool "Jeanne Hachette of Rouen built, in the playground, an overgrown plant wall where climb non-toxic plants blooming from June to August (Ref. 1). Students engaged in a six-week educational module prior to planting the wall (Ref. 1). Engineering students from engineering school ESIGELEC assisted in delivering the program which taught students about the importance of plants and respecting the environment (Ref. 1).

The Molenvlietpark is a large park in the Viletzoom area of The Hague which will serve as an ecological corridor and stormwater storage. Beside flowery grasslands, the park has several interconnected ponds serving as water storing facilities that can temporarily collect a large amount of water during heavy rainfall. The green and blue areas with diverse vegetation provide habitat for a large variety of species and a fish spawning ground supporting biodiversity (1,5,6,7). It will also include paths for cyclists and pedestrians. (1) The first phase of the park construction has been completed, while the second phase is planned to be executed in 2021-2022.

After 3 years of works, in 2020 the city of Gdynia revitalized one of its largest parks with a panoramic view on the rest of the city. Planned activities had included new greenery (suitable for the local climate conditions), rebuilding vegetation, creation of the educational paths, building water playground facilities and a sensory garden, open-air gyms and improved infrastructure for the disabled [1,2,3]. The final project focused on the renovation of the amphitheatre and the drainage system underground. Residents have been enjoying the park since June 2020 [7].

A tree planting programme (part of existing community greening initiative in the Mersey Forest) that is helping to transform Wirral into a thriving economic hub (trees planted on streets including Price Street, Cleveland Street, Argyle Street, and Hamilton Street, which are key transport routes around the Wirral Waters investment area). Trees will also be planted at Wirral Met College, as well as in social housing landscapes and gardens. (Ref. 1, 2). The project was completed in 2015 but similar initiatives have been taking place in Wirral since. There is no apparent connection between these projects and the 2012-15 project. (Ref. 7, 8)

This local initiative has revitalized the most neglected places in the district and transformed them into green areas for leisure and recreation. The project resulted in the planting of new greenery (grasses, bushes, and flowers) and better maintenance of the existing plants, as well as installation of leisure and sports equipment (including benches and open-air gym) [1,2].