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Parc Marianne is an ecodistrict that aims to address multiple challenges such as climate action for adaptation, environmental quality, flooding, and in response to the high population growth in Montpellier. Parc Marianne is connected to public transportation, has bicycle lanes and car parks, and the sidewalk is shared between pedestrians and bicyclists and structured with trees and other greenery. The park was certified with the ecodistrict label in 2015 following requirements like environmental sustainability, thermal performance, quality of life, nature and biodiversity, and mobility (Ref. 1). Parc Marianne is a mixed neighbourhood with an ability to combine city and nature, quality of life and centrality (Ref. 2).

The 16-storey EnBW Administrative Complex and planned office district in Stuttgart's industrial area of Fasanenhof has three wings and a high-rise for about 2,000 employees on the 35,000 square meter sites, with many extensive green roofs and usable intensive roofs over underground parking. With the new office complex, EnBW wanted to create a modern and pioneering work environment for its employees. Different green system solutions were used on the project including a "Natural Roof", "Garden Roof", "Public Roof" and "Landscape Roof", with both extensive as well as walk-intensive plantings. The resulting green roofs offer respite and recreation for employees and visitors. [ref 1, 2]

The proposed masterplan for the "Città della Scienza" or the City of Science by Vincent Callebaut Architectures and Studio d'Architettura Briguglio Morales focuses on sustainability with history to propose a self-sufficient urban ecosystem in Italy. More than a spatial work of art, it encourages the promotion of sustainable design, low carbon transportation, renewable energies, automation technologies, and green building materials. Because of these features, the project has many examples of nature-based solutions (e.g.vertical gardens, green roofs/walls, orchards). Operating on the principle of living facades, the Città della Scienza revitalizes Rome's forgotten military district into a vibrant, regenerating living city. [1][3]

Sihlcity, one of Switzerland's largest shopping malls, is located in the Wiedikon district of Zurich. It was built on the grounds of a former paper mill, Papierfabrik Sihl, near the Sihl River. The Green Wall of the Sihlcity car park is a striking feature of the development at a height of 23 meters and a width of 25.5 meters. The wall is an elegant aesthetic solution to the car park facade, keeps the car park cool during summer, provides insulation in the winter, sound insulation for the busy car park, and an effective deterrent to graffiti. [1]

A local government-led project of the renaturalization of the part of the Weser river shore. The initiative aimed to restore part of the river bank to its natural state and to create habitats for the typical local flora and fauna. Additionally, a sand beach for the public was created. The project aimed to increase biodiversity, increase the river shore protection and water management, as well as to improve public access to the recreational area at the water and the attractiveness of the river landscape (Ref. 1, 2, 5).

A project of the local government developed with EU and federal funds that aimed at the development of the green and beach area in the course of the refurbishment of the flood protection system. The initiative sought to provide a model project for urban flood protection, which can showcase that flood protection measures do not require a separation between city and water and new recreational spaces at the water and shore can be created instead. The project involves redevelopment of the shore area, enlargement of the public space at the shore with additional sand deposit and greenery planting (Ref. 1, 2). The bank area with a beach and recreational facilities opened in May 2019 (Ref. 5).

The renaturalization of the water canal Hirtenbach project was part of the larger city-wide initiative that aimed at the naturalization of different parts of the city's drainage system including small trenches and streams. The initiative aimed to decrease the risk of floods, improve the water quality, protect the local flora and fauna from the pollution, as well as provide for an additional recreational area for the citizens. (Reference 1)
In 2000, natural remodelling or the creation of near-natural structures began in sections. A 20, 000 m3 retention basin was also built. These actions improved flood protection and ecology of the area, and it provided local recreation opportunities. However, a study conducted in 2014 revealed that the restoration measures brought positive changes, but it was not enough to achieve a “good water status” defined by the European Water Framework Directive. Intensive care from silting and lush plant growth, wide margins, and the reduction of nutrients coming from the drainage and agriculture, need to be addressed. (Reference 2)
A new landscape is expected to be created when the alder trees grow. Waterbirds and waders, as well as insects like dragonflies, bees, butterflies and crickets, have been observed in the area (Reference 3).
The large drainage system of the city of Hannover includes many small trenches and streams with a total length of 152 kilometres. The intervention in Hirtenbach involved renaturalization worked on the total length of approximately 10,5 km (of which 3,3 km in the urban area). (Reference 2)

Green roofs were created on vehicles in the Spanish cities of Barcelona, Girona, Córdoba, Valencia. This initiative is based on the project of Marc Grañén, who developed PhytoKinetic a project for the development of moving gardens. (ref 1) The city of Palma de Mallorca was also considering its introduction as a measure of sustainability. (ref 1) The intervention, however, remained in the pilot stage (ref 1 and 4).

“The Sintra Parks concluded the project of recovery of the English Garden, in the Park of Pena, that aimed to stop the advanced state of degradation of this area and to solve situations that represented a risk to the mobility and safety of the visitors.” (ref 1)
The NBS includes planting trees to regrow the tree cover of the area. (ref 1)

The project takes the form of a proposal for greenways of transport in the city to integrate transport infrastructure into the environment and insular landscape. The Park Vias would include communication channels that integrate into the natural environment, taking advantage of the environmental aspects to enhance the attractiveness of the greenways (ref 1). There are three greenways that were proposed, one which was made on an unfinished previous train railway (ref 1) from Manacor to Artà (Ref 6). This greenway was constructed with several social inclusion elements, there is no information about the other four (Ref 1).