Improved water quality

Isar River had been regulated at the end of the 19th century by forcing the river into a canal-type bed with embankments. This regulation made a negative impact on the flow velocity of the river, on its temperature balance, and increased the risk of flooding. The goal of the recent development was to restore the river's natural character on an 8-kilometre-long section of the river and to create a semi-natural riverside. (Reference 1, 2) This was considered especially important because the effects of climate change have already increased the frequency of heavy rain events and major floods. (Reference 3) The new concept leaves space for the river to shape and change its bed with every flood. Further aims of the project were to increase biodiversity and recreational quality.

Hailes Quarry Park (HQP) is a large open space in the south-west of Edinburgh. It covers an area of 12.15ha. HQP was a very boggy area in the centre of the park which was effectively out of use. A project was planned which aimed to make environmental improvements and engage the local community and encourage healthy living. One of the main features of the park’s recent development is the creation of a wetland area with a range of wetland plant species. This new habitat will be home to birds, amphibians and native wetland plants, and will be a part of the green corridor. Additionally, a Biodiversity enhancement project was carried out at the site (ref 1, 7).

“The Living Environment Trust is an environmental charity based in Coventry, which aims to promote environmental and sustainability awareness within local communities. Accordingly, the Trust uses the restoration of neglected inner-city green spaces as a way to engage a range of community groups, whilst also serving to enhance and expand the existing biodiversity and develop important community and educational resources.” (Ref. 1) “The Living Environment Trust was formed in 2007 to transform the neglected land around the Alan Higgs Centre into a community ecological and leisure resource.” (Ref. 2)

In 2016 the Municipality of Lisbon started the renovation of the Botanical Garden of Lisbon, declared in 2010 as a national heritage monument. The botanical garden is both a vital urban open space and a significant cultural landscape of the city. This Botanical Garden is home to an important collection of plants with economic value, reflecting the strong links to the Portuguese expansion and the routes of the navigators that spread them across the various continents. The intervention is expected to provide improvements in the irrigation and water circulation systems, in the rainwater harvesting system, in the reorganization and improvement of garden green spaces, and in the restoration of paths. With the objective of requalifying the space, bringing significant improvements in terms of sustainability of resources, visitors safety, new cultural and recreational opportunity spaces (Ref. 3, 4, 8).

A five-year project, would be the largest sustainable water drainage system project to be implemented in Glasgow. The investment follows years of study by the Metropolitan Glasgow Strategic Drainage Partnership, which includes Scottish Water, the Scottish Environment Protection Agency and Glasgow City Council. (Ref 1)

The Seven Lochs Wetland Park is an urban park that is due to be created in Scotland. It will comprise nearly 20 km² of land and water between Glasgow and Coatbridge. The park will combine many existing features, including four local nature reserves; Bishop Loch, Cardowan Moss, Commonhead Moss (a raised bog) and Hogganfield Park; Drumpellier Country Park which includes Woodend Loch SSSI and Lochend Loch; Frankfield Loch; Johnston Loch; Garnqueen Loch; Provan Hall a 15th-century category A listed building. It will be Scotland's largest urban heritage and nature park. The vision for the Seven Lochs Wetland Park is of a new park of national significance, sustaining and enhancing a high quality, innovative wetland environment that will (a) protect and enhance biodiversity and heritage (b) promote health and well-being (c) contribute to environmental, economic and social regeneration (Ref 1).

The municipality initiated to realize a healthy and climate-proof 'city island' which includes a large variety of projects, including the City Island Park Tour, which is a cycling/walking tour around the island that includes multiple green-blue infrastructure elements along two canals. Together it can be recognized as a large city park (ref. 2, 6). The tour contains the sights of green banks, recreation possibilities, bridges and boulevard-ways, thereby promoting environmental quality, mobility and attractiveness of the area (ref. 6). A food park at Leeuwensteyn is envisioned for 2050 (ref. 7).

In light of the LIFE P.A.R.C. project, the NBS here presented consisted in the restoration of the fluvial and ecological continuity of the Magra and Vara rivers in the Montemarcello-Magra Regional Natural Park. The intervention implemented the removal of artificial barriers blocking the water continuity currently affecting biodiversity conservation. In the meantime, several activities implemented focused on restoring the area along the stream with the creation of walking paths and the use of signs to spread environmental awareness about the key habitat provision services of the area (1).

The oasis is one of the favourite destinations especially by naturalist photographers of the region, thanks to the presence of numerous animal and plant species. The oasis covers an area of about 20 hectares, is part of a SIC and ZPS area of 40 hectares and its management has been entrusted to the Noale WWF Cave Oasis Committee. It used to be a clay extraction area that got abandoned for several years. It was restored to create a new wild habitat that the local government declared a protected area (1, 2 and 4).

The project was part of a series of development projects which addressed the water management issues of the city. (Reference 1) The rehabilitation of a lake in the Adyváros neighbourhood included the renewal of the water reservoir, surrounding green areas, footpaths, and vegetation, as well as the installation of a new street light system, benches, trash cans, and unique street installations such as an interactive message board. (Reference 2) The interventions transformed the lake and its surroundings into a popular recreational area, frequented by locals. Since the completion of the project in 2014, there have been minor developments to the lake and its area, such as the renovation of the playground. (Reference 4) Apart from Adyváros, several other lakes were rehabilitated in several neighbourhoods (Adyváros, Győr-Szabadhegy, Marcalváros). (Reference 6)