Environmental quality

The former site of the Krupp cast steel factory was transformed into a 230 hectares green belt stretching from the city
center to the district of Altendorf, while the adjacent industrial wasteland was turned into an 11 hectares add-on to the Krupp Park (Ref. 1). The landscape vision "Freiraum creates urban space", in which the Krupp Park is a building block, is a comprehensive strategic approach that aims to gradually build up new urban landscape structures and to create diverse qualities of location for different urban uses" (Ref. 9).

The office building of the Nord/LB Bank that was built in 2002 became a landmark of Hannover. A huge proportion of the building is naturally ventilated. The interior is designed with progressive energy concept with superstructure exposed and windows that provide ventilation. The building is also protected from noise and vehicle emissions through the areas of double façade, which also serves as a duct transferring clean air from the central courtyard to the individual offices. The reflection of daylight is increased through the large areas of water in the courtyard which also contributes towards a beneficial microclimate. The building is also equipped with generous roof gardens which not only provides aesthetic benefits but also improves the general climate for the occupants, and collects rainwater for irrigation and use within the building.
The building is owned by Norddeutshce Landesbank and was designed by BEHNISCH, BEHNISCH & PARTNER (Reference 2).

The city of Leipzig initiated the project "Für eine Baumstarke Stadt" in 1996 to integrate community support into the greening of Leipzig through tree planting. Citizens can become tree sponsors with a donation of 250 Euros or more supporting the increase of the tree stock in parks, on the street and at squares since they are planted in addition to the tree stock determined by the city department for urban green. The sponsorship includes a sign with the indication of the tree species and a personal message. This programme contributes to a greener city landscape and strengthens the attachment of citizens to their urban environment (1, 2, 3).

The "New Nature" also called "La Calanque" is a new housing residency and business designed by the famous architect Jean Nouvel. The building design is inspired by the typical Mediterranean sea landscape called "calanque" (creek in english). "As an essential component of the project, vegetation is ubiquitous from the ground to the façades, from the heart of the buildings to the terraced roofs" (Ref. 2).

The initiative created the first in the city anti-smog garden around a local school. The garden serves multiple purposes as it will include: a greenhouse and a composter, the air-pollution absorbing plants that will attract birds and insects and protect the school from urban dust and noise, a vegetable garden, houses for hedgehogs, birds and butterflies, a 'sensory' path for medicinal gymnastics, a roofed gazebo, a meteorological station and a book exchange booth. It is open to other schools and kindergartens and the general public during the school working hours - for educational purposes and recreation [1,2].

This NBS comes as a reply against the municipality of Iasi which in 2013 cited lack of visibility and aesthetic preoccupation decided to cut over 100 linden trees and replace them with Japanese acacia in the city centre. The action enraged the inhabitants of the city who alongside local and national NGOs took the matter into their own hands and protested. As such in 2015 the municipality re-planted the linden trees (1).

An afforestation campaign was launched in 2016 across the whole North Region of Plovdiv, with the aim of making the region a more pleasant and greener place of living with cleaner air. This ongoing campaign has consisted of planting trees, shrubs, and flowers in different places in the region (Ref. 1; Ref. 2).

MFO park is one of the green infrastructures in the city of Zurich. Instead of designated space between paved streets, MFO-Park uses the structure of an old factory building as its skeleton, taking the form of a multilevel building that seamlessly fits into the surrounding structures. The basis for MFO-Park comes from an old industrial building which used to be a weapons production and testing complex. MFO has received a series of awards, including recognition as the “Most Innovative Contemporary Park or Garden”– a prestigious designation from the European Garden Heritage Network (Ref 1).

Numerous developments have been carried out at the National Veterinary School of Toulouse's (ENVT) green campus to make the site more conducive to the maintenance and development of biodiversity as result of the school's "VERT VET" (GREEN VET) club (Ref. 2). The green changes began as a result of the school's 2008 sustainable development policy (Ref. 1). Among its many functions and activities, the policy helped raise awareness, clean ponds, and a well, construct a vegetable garden and make beehives and bird nest boxes in the campus's two classified forests (Ref. 3).

Liège Trilogiport is a trimodal logistic area of ​​100 ha located along the Albert Canal, which includes a 15 ha container terminal and a ​​40 ha logistic area. From early stages of development, particular attention was paid to well-being and quality of life. A considerable effort was made to preserve about ¼ of the total area of ​​Liège Trilogiport as nature area, with more than 25 hectares dedicated to a green welcome zone (Ref. 1).