Sustainable production

The Senate of Hamburg commissioned IBA Hamburg GmbH with the development of the project which aims at realizing two new, family friendly residential districts in Neugraben-Fischbek, the Fischbecker Heidbrook and Fischbeker Reethen, which will offer 3000 residential units in total. (Reference 10) Out of the two districts, Fischbeker Reethen is planned to be the "Garden City of the 21st century", which is why this NBS case focuses on that project. The Fischbeker Reethen project pays attention to sustainability, having a blue-green infrastructure (large green surfaces, waterways and a lake that serves as a basis for the rainwater management of the area). A further aim of the project is to create a new district for the growing city, that with its good infrastructure, public transport connection and educational offers will help the integration of refugees into German society. (Reference 12) The construction of the buildings followed by the green and recreational elements is will start in the second half of 2020, and the handover is planned for 2022 the earliest. (Reference 7)

The orchard of the Vallon was established by the city in an area that had historically served as an orchard fifty years previous (Ref. 9). A few pear trees had survived and gave rise to the idea of ​​reconstituting it. In 2014, the city planted apple, peach, pear, cherry, apricot and other fruit trees on one and a half hectares of greenery. "At the beginning of 2015, the association Le Verger du Vallon was born. With its members, its mission is to maintain these trees with a view to sharing knowledge and educational exchanges "(Ref. 9). "Called upon by the city of Rouen for the establishment of a participatory orchard, the social center wished to promote this project among the inhabitants within the framework of the arrow projects of the CAF (social security) de la Seine Maritime entering the field of financing "to support a cooperative project of residents initiated and built with them from a common concern " (Ref. 3, page Description).

Mariahof is a community garden in which a large variety of actors is involved including citizens, schools and an NGO that supports social inclusion. In the garden, vegetables are grown for non-commercial food production, organic waste is composted and bees are kept for pollination and honey production (1,2,3,6). The garden works to raise awareness about sustainability and nature stewardship in an urban setting (2).

The municipality of Catania, in collaboration with the University of Catania promotes sustainable agricultural practices in specific areas of the city with the project “Urbanhort” (Uban Horticulture systems for Resilient, Efficient and Sustainable cities). The main focus of the project was placed on biological, indoor and vertical gardening. The main goal of the intervention is to give value to the territory, to increment tourism, culture and the environment. What wanted to be tested was the efficiency of the practice in terms of price, health outcomes and the promotion of a correct diet. (Ref.1.)

The project might still be ongoing, however, no information was found on the website of Catania's municipality or on the website of the University of Agriculture of Catania for a later date that can show the current stage of the project (as of July of 2020).

In 2014, local residents of the St. Pauli neighbourhood of Hamburg supported by architects decided to reshape the Hilldegarden bunker built during WW II. They managed to convince the owner of the bunker, who currently leases the rooms of the bunker to a nightclub, a music school, an instrument store and a photography studio, to re-create the bunker in a way that pays special attention to ecological and social aspects. (Reference 1-3). ”The new project would see the space continue its mixed-use atmosphere, but topped with a massive public rooftop garden with walking trails.” The 800 sqm garden will use sustainable techniques for its operation, including renewable energies and greywater collection for irrigation and will offer a public garden where residents can engage in urban food production. (Reference 2) In September 2020, the reconstruction of the bunker is still in its early phases. (Ref. 8)

‘De Schilde’ in The Hague was the former factory of Philips Telecommunication that had been empty for years. In 2016, it become the home to the largest commercial city facility for food production in Europe: a 1,200 m2 roof greenhouse for specialized vegetables, a 370 m2 covered fish farm and a 250 m2 area for integrated processing and packaging. In addition, 250 m2 within the farm was exclusively reserved for events and guided tours. (5) The farm comprised two-storey greenhouses on the roof and uses the UF system for the sustainable production of fish and vegetables. (5) The urban farm was initiated by the the municipality of the Hague and realised by Urbanfarmers, a Swiss technology company focused on building food production facilities in cities (5).

However, the initiative wasn't successful. In 2018, the company declared bankruptcy and terminated production in the rooftop farm as it did not produced any revenues. (12,13).

The Haumanngarten is a community garden in Essen founded by the Transition Town movement (Ref. 1). Since May 2015 a mixed group have been growing vegetables, herbs, flowers and berries on a former playground. Fellow gardeners with and without knowledge of gardening participate in the garden (Ref. 2).

An old hippodrome will be transformed into a natural urban park. "The Metropole of Rouen has launched this reconversion project of in consultation with residents and associations. It is the Mutabilis group that has been chosen to carry out this transformation, the first work of which will begin in 2017. The project, called "Champ Libre", integrates all the components essential to urban life: a place of discovery, nature and innovative agriculture" (Ref. 6).

Citizens have taken the initiative to create a community garden on an area where an abandoned building was located. With community engagement and support form public and private sector actors along with non-profit organisations, the garden was officially opened in 2011, bringing urban green space closer to the residents of the quarter. (1,2,3) The garden consists of recreational facilities, green space, a vegetable garden, fruit trees, a pond and activities are organized, which all largely contributes to social cohesion. The community has formed multiple groups that are responsible for parts of the community garden. (1)

Green space created behind Rock Ferry library on unused land. The plot of unused land, owned by the Wirral Council, signed a lease with the 'Grow Sow Well' project to run a volunteering scheme and sessions for the community (particularly aiming to help people with mental health issues). Grow Sow Well worked with residents, schools and community groups, bringing people together to celebrate their area and increase awareness of healthy eating and food production. (Ref. 1, 2) This lease has was transferred to the organisation called the Utopia Project (works with young people and includes horticulture). (Ref. 8)