Environmental quality

The Sea Heroes Garden is a community garden that was initiated by citizens on an empty lot with the goal to create a garden in which children can play, fruit and vegetables are grown organically and social activities are organized.(1) In the garden, multiple measures allow for storm water retention and the vegetation provides habitat for a broad variety of species. (5).

The aim of ReWaM was to show ways how different forms of use of water bodies can be reconciled with their protection in order to sustainably maintain the diversity and efficiency of the different water ecosystems. This applies to both rural, suburban and urban regions (ref. 8). Increased sealing of urban surfaces and combined sewer systems for rain- and wastewater pose major challenges for urban water management. Therefore, the university of applied sciences and the city of Münster participated in a research project as one of three pilot cities running from 2015 to 2018 concerning improved rainwater management and the development of respective planning instruments. Several green roofs at the university campus were used as test spaces to explore and monitor rainwater infiltration efficiency and feasible green roof compositions. Also, different permeable surface coatings were tested at the urban depot (Ref. 1 and 4).

3000 trees were planted on 7 decares of land by 500 volunteers in park Zapaden on Earth day (22 April) in 2017. The initiative was supported by the Municipality of Sofia, and had the aim of making the city cleaner, greener, and more beautiful. The initiative also compensated for the illegal logging which had taken place in the park. (Ref. 1; Ref. 2; Ref. 3)

The Naturfreibad Haunstetten is an artificially designed bathing lake in the south of Augsburg with a water surface of 9,200 m² and a maximum depth of four meters. After the regeneration of 1,5 hectares of green space surrounding the lake, the baths were reopened in 2010 (Ref. 1).

The new sports campus that has recently been opened in The Hague contains multiple NBS solutions including one of the largest green roofs in the area, permeable paving of parking spots, a creek and trees that can stormwater storage. The building of the sports campus on which the green roof is created is completely CO2 neutral as it runs on solar and geothermal energy. (1,2,5,6,7,8).

'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.)

North Wirral Coastal Rangers and volunteers are working together to plant discarded Christmas trees to stabilise sand dunes between Leasowe Bay and the Gunsite area of the North Wirral Coastal Park. The Christmas trees help to catch and trap sand blowing in from the beach and in a few years will create artificial dune shapes, benefiting plants and animals. (Ref. 1)

In 2016 the Rangers and volunteers undertook a dune restoration project at the Gunsite. They advertised for the public to drop off their old Christmas trees at a collection point. The trees were then used to reinforce the dunes and trap sand. This was very successful and in 2017 they continued with the project, again with great success. In 2018 they ran a high profile social media campaign using Twitter and Facebook, asking for more Christmas Trees. This has generated a huge response and generated over 900 trees. It also prompted Radio Merseyside to interview Dave Stevenson, the Coastal Ranger, over the project and how it was helping to stabilize and re-establish the dunes (Ref 8).

The Natural Park of Augsburg - Western Forests covers a 1,200 square kilometer of the natural area. Founded in 2007, the park aims at preservation and development the natural biotopes in the area. As a supplier of timber, as a guarantor for clean air and pure water, and last but not least for recreation seekers, it is of outstanding importance in Bavarian Swabia (Ref. 1).

Slachthuisplein in the Hague, a large public grey square was transformed into a green ‘oasis’ which provides recreational facilities for adults and a playground for children. The citizens and children were involved in the design of the green square and the initiative was selected by the municipality as one of their climate change adaptation measures as it stores stormwater. (1,2,5).