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The main aim of this program is to address the lack of green roofs across South Yorkshire. Greening bus shelter's roofs is indeed an innovative idea, as it provides an attractive green space in urban streets and also offer much-needed shade for waiting passengers. The living vegetation installed on the bus shelter will filter pollution and particulates from transport exhaust; will, in turn, reduce the pollution - protect passengers health. Greening of the bus shelters highlights the value of integrating sustainable design and green travel in attempts to reduce rates of climate change. (ref 1) Each bus shelter roof is 6sq m in size and all over the city, there are several such green roof bus shelters (ref 1).

The conservation of agricultural activities allows for the preservation of the landscape for all, with the possibility to offer to Milaners a place of leisure, tranquility, nature and tradition within the city, where to taste - also while tasting the products of the earth - what is the the Milanese agricultural world. It is located in the South West of Milan, within the Parco Agricolo Sud, in an area between the two Navigli, the Grande and the Pavese (1).

The University's Botanical Garden is part of the National History Museum of Oslo and acts an important green space for both citizens and regional fauna. The Garden was founded in 1814 and is the oldest scientific garden in Norway, which through research, education and plant conservation seeks to increase public awareness of the importance of plant diversity. The Great-Granny's Garden is an important element in the Botanical Garden, aiming to preserve Norway’s horticultural heritage and prevent traditional fauna from disappearing, while encouraging sustainable use in future horticulture. The Garden also act as a sensory garden for people with dementia. (Ref.1,2)

There is an old tradition to preserve the wall gardens and patios in the center of Cordoba. Every year, the Festival of the Courtyards of Cordoba opens the courtyards to the public and various prizes are awarded to residents based on the plant and floral arrangement of the patios, bars, and balconies. This festival was declared as a UNESCO Intangible Heritage of Humanity in 2012. (Ref. 2,3)

The rain gardens of the Great Mosque give an example of a sustainable urban drainage system built 1000 years ago (Ref.1,8,9). The Great Mosque is a world heritage site by UNESCO (Ref. 1); therefore the rain gardens are protected and will continue to provide a sustainable irrigation system needed for the arid climate of Andalusia (Ref. 8,9).

Reconstruction is occurring in the Norra Stationsområdet area in the City of Stockholm, creating the city district Hagastaden (Haga City). In Haga City, an elongated hourglass-shaped park will be created called The Northern Station Park (sv. Norra Stationsparken). The park will run through the northern inner city from Torsplan and Hagaplan in the west to Norrtull in the east, and it is one of Stockholm's largest park initiatives. The first part of the new Norra Stationsparken in Hagastaden was to be inaugurated in September 2019 and the rest of the park is expected to be completed in 2024 (Ref. 1, 2, 8, 9).

The Sotos de la Albolafia Natural Reserve is situated on a section along the Guadalquivir River, that runs from the Roman Bridge to the San Rafael Bridge (Ref. 3,14). It was declared Natural Monument in 2001 and is part of the Network of Protected Natural Areas of Andalusia (RENPA) due to its wide variety of birds (Ref. 5,15). "The declaration recognized the environmental value of the Sotos de la Albolafia, a singular natural enclave located in the urban center of a large city, in a monumental and historical environment also unique and with an unparalleled concentration in protected species, especially water birds and wetlands." (Ref. 3)

The El Patriarca Park aims to rehabilitate and restore 60 hectares of land for ecological benefits and recreational purposes for the inhabitants of Cordoba (Ref.1,3,4,6). It takes place on a site with distinct areas, including a holm-oak forest with Mediterranean scrubland of extraordinary environmental value. This NBS is an effort to protect natural values, erase the traces of urbanization attempts of the seventies, and repair damages caused by human action (Ref. 6). Implementation of the project is expected to start in early 2021 (Ref. 6).

Eko Ekipa Prečko is an alternative urban garden in Zagreb which was initiated and promoted by the locals. The initiative was not supported by the government initially. Regardless of the lack of support, citizens jointly cleaned an illegal waste disposal site and the bushes and shrubs there to initiate a communal garden. Besides ecological food production, they also organize educational workshops for children and adults to get familiar with life in nature (Ref 1). People of all ages, the majority between age 30 and 40, from Prečko and neighbouring districts are involved with the garden (Ref 4).

A recovered green area next to the Guadaira river, it opened as a park in 2014 (Ref 6). In its planning it reconciles the historical use of the river to power the historic mill and its new use as a green corridor on the Eastern part of the city. Its large dimension allows it to fulfill the quadruple ecological, landscape, leisure, and non-motorized mobility dimensions. (Ref 4,5,6). The park was officially inaugurated but it continues to face challenges. In 2007 the economic crisis led to construction being stopped and the budget of the park cut from 23.8 million euro. Construction was started and the budget re-established at 17.2 million in 2011. (Ref 5)