Conduct a baseline survey before and after NBS implementation

The reduced green space in cities and the declining level of unstructured physical activity affect especially children as major developments in the immune system occur during the first years of life. Interacting with nature also increases perceived well-being and promotes environmental responsibility. The KOTA-project was funded by Helsinki Metropolitan Region Urban Research Program and the University of Helsinki conducted the study. KOTA examined how greening of kindergarten yards affects children’s health and well-being in the urban environment. Six kindergarten yards were transformed and a control group of non-modified kindergartens was used. The project extended beyond Helsinki, with the transformed sites being not only in Espoo (part of the Helsinki Capital Region). (ref. 1).

Excess rainwater in sewers causes flooding and the overflow spills into the rivers. Rainwater spilling across pavements can also make for an unpleasant walking experience in the city. Dublin City Council, in collaboration with residents, ran a trial use of Rain Box Planters as a way of both greening the streets and better managing rainwater coming from roofs. The Rain Box Planters were placed below houses’ gutters in order to slow the torrent of water entering the drain. The first trials were successful and the next stage is to test them on a larger scale. (ref 2, 3)

To test the newly developed Green Factor Tool for the City of Helsinki, with a focus on water management, two test sites (ätkäsaari pilot block and the three model yards in Kuninkaantammi) were created at residential blocks in Jätkäsaari and Kuninkaantammi. The tool itself is an Excel interface that calculates the quantity and quality of the city's green spaces per unit of area, It is part of the larger iWATER (integrated stormwater management) project (Ref 2). Specifically, after testing it on these two pilot sites, it is to support land use planning processes by providing a way to account for the quantity and quality of green space. The project aimed to analyze the cost-benefit of implemented sustainable stormwater solutions, compile stormwater-related planning tools as well as increase and strengthen the capacity of cities to work with stormwater issues (ref. 2).
One of the key objectives of developing the green factor method was to create green urban environments that have social value. Also, functionality was the second most important and cityscape (or landscape value) was the third most important category in green factor scoring.

As part of the EU Life+ CITYWATER project (of 3 cities), a sustainable stormwater management solution based on biofiltration was implemented in Maunulanpuisto Park in Helsinki, in order to purify rainwater and meltwater and improve water quality in the Haaganpuro Brook.
As the drainage area is heavily trafficked and paved with asphalt, high solid, nutrient and oil levels have occasionally been measured in the rainwater and meltwater entering the Haaganpuro brook. Such contamination is harmful to the fish stocks (e.g. trout) and other organisms in the brook. The biofiltration solution was the first of its kind in Helsinki. The solution also supported the City of Helsinki stormwater strategy, which aims at changing management towards sustainable solutions and states that stormwater should in first hand be infiltrated on spot, where it is created (ref. 1).

Weaver Park is was built on an area of 0.6 ha in the Liberties area in Dublin. It is one of the developments that form a part of the Liberties Greening Strategy. The park’s purpose was to address the lack of green space in the area, to provide a place for skateboarding and other recreational activities, and a place for relaxation and community events. (Ref. 1; Ref. 5)

Following an extreme flood event on August 9th 2008 in Glendhu Park, eight houses experienced flooding and many more came within inches of being flooded. Two swales were constructed by Dublin City Council to provide surface water storage to ensure that no flooding will recur in a similar 100-year pluvial event. The swales are designed to self-drain back into the existing surface water sewer system following a severe storm event (Ref. 1).

The Dee Park Regeneration Project aims to rebuild the 1,100 homes from the 1960s-built estate, that has been worked on in close consultation with the community. The estate is one of the 20 per cent most deprived areas in the country. The vision for the regeneration project is to create “a safe, inclusive and sustainable community, economically, environmentally and socially, as part of the wider Reading, where people want to live and work, and which will inspire a sense of pride”. The third and final phase of the project is ongoing and is expected to be completed soon. (Ref. 1, 4, 8, 9)

The Harris Garden is situated on the Whiteknights campus of the University of Reading. The garden provides an important amenity for all, giving pleasure to an increasing number of visitors, staff and students. It provides facilities for teaching, conservation and recreation. In 2010, with the closure of Plant Sciences, responsibility for the main part of the garden passed to the Facilities Management Directorate of the University and a major revitalisation programme began; with the "new purpose of conservation and recreation for all". (Ref. 1 , 2)

Hillyfields Community Park is situated in the Ward of Gillingham North in Medway (ref. 1). It is an open space with some remnant orchard. This space was in an area with high social deprivation and unemployment and was improved between 2005 and 2009 to include natural play elements, better accessibility, host community projects and recreational facilities, and be a safer space (Ref 1, 3).

Wirral Waters is the largest regeneration project in the UK. It will transform over 500 acres of the Birkenhead docklands into an internationally recognizable destination (where e.g. innovation and sustainability will thrive). (Ref. 1, 2). While the whole project will take up to 30 years to finish, the first phase has started in 2019 and building work has begun on three projects which will bring 1,000 homes and breathe new life into 500 acres of former dockland in the town. £220 million will be invested in the next three to four years alone in an effort to build high quality, high-density accommodation with lots of green space and employment opportunities close by (Ref 10,11).