Health and well-being (SDG 3)

The two-year project "Integrationsgärten" aimed at the creation of three social integration gardens for refugees at different residential districts: transitional house Arbergen 2 (2016), a transitional house at Tannenbergstraße (2016/2017), and in Huckelriede (2017). The project involved various gardening activities and cultural events that aimed at increasing social integration of the refugees, improving their language skills, as well as stimulating neighborhoods to social engagement and participation in environmental issues in the neighborhood (Ref. 2, 3).

A pilot educational garden was created by Foundation Zaedno in Sofia in 2011 in the city kindergarten Slaveyche. The initiative was carried out with the financial support of Charles Stewart Mott Foundation and volunteers. The aims of the garden were to turn a derelict site into an attractive place for learning about and practicing gardening, playing games, learning about healthy nutrition, conservation, and promoting the creation of other Delicious Bio-Gardens. The garden has herbs, vegetables, and a rainwater harvesting system. Events connected to this initiative were taking place till 2013-14 (Ref. 1; Ref. 2; Ref. 4)

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).

With the progressive monopolization of the seed trade and the industrial cultivation of hybrid varieties as well as the restrictive seed legislation, the cultivation of old crops has steadily declined and about 90 per cent of the old crops have been lost. This initiative aimed to reverse the trend by the cultivation of old crops, dissemination of their seeds among farmers and educational workshops to protect and increase their biodiversity.

The project involved the building of the propagation garden on an approximately 4500 square meter area in Ricklingen. This project started in 2013 and it involves interested residents, cooperating with Transition Town Hannover (TTH). The city of Hanover supported the initiative by providing the property and financial aid for the construction of the garden. The project has been provided with professional network from BUND (Kreisgruppe Region Han­nover), the School Biology Center, the VEN (Association for the Conservation of Crop Diversity eV) and Leibniz University, Institute of Horticultural Production Systems and the Chamber of Agriculture In 2014, the basic restoration work on the property was completed. (Reference 1, 5).
Frame beds were installed in 2016 while a garden house was built in 2017. The project was funded by the City of Hannover until 2017 but it continues until the present with the help of volunteers (Reference 9).

The project "Sustainable Support Program for Greening Buildings and Minimizing the use of space using the example of Hanover" was established jointly by BUND (Bund für Umwelt und Naturschutz Deutschland) and the state capital of Hanover. The goal of the project is to transform as many barren house walls and dull grey roofs and asphalted areas into green oases throughout the city. Since May 2013, all house and landowners, housing associations and building communities have been able to apply to the BUND for a subsidy for green roofs and facades. On 2017, the project was expanded to include unsealing of areas like inner courtyards, driveways, etc, thus creating new green areas. Advice on the correct greening measures and on professional unsealing have been also offered by BUND.
The project is funded by the state capital of Hanover, the German Federal Environmental Foundation (DBU), the Sparkasse Hannover and by proKlima. The "Green Hanover" funding program will end on December 31, 2020. (Reference 1)

An intervention in the parks of Sintra relying on volunteer participation to eradicate invasive species from the green areas. The intervention was carried out on International Volunteer Day and volunteers removed the exotic weed species manually.
The manual work with volunteering was carried out in more sensitive places where herbicide can not be applied (water lines, protected habitats, etc ...) (ref.5)

A group of companies, coordinated by Citigroup and framed by the Sintra-Monte da Lua and Naturlink Parks, met to promote the environmental recovery of the Tapada do Mouco by rehabilitating the plant diversity in the area and removing invasive species in 2001.
The action took place when more than a hundred volunteers from the sponsoring companies triggered Tapada's recovery work” “selective cleaning of invasive alien species and afforestation with native trees and shrubs, such as oaks, ash, willows, arbutus, hazelnuts and holm oaks.” (1,2)

The project is a close-to-nature maintenance concept that combines the diverse usage requirements in public green spaces and the promotion of biological diversity through near-natural care. (Reference 1) It aims to promote biodiversity in the area through the plantings of local trees, installation of deadwood stacks, dry stone walls and boulders, which will help in the increased interconnectedness of the green areas and provide for structured habitat for the local species. The initiative also involves development of ecological standards for the handling of green spaces in the country, such as natural care practices that will protect local biodiversity (e.g. adapted mowing regime for lawns, flower meadows). (Reference 1, 2)
The "Urban green - species-rich and diverse" project is a cooperation project of the alliance "Municipalities for Biological Diversity eV" (Alliance) and the German Environmental Aid eV and with the participation of the five partner municipalities Frankfurt am Main, Hanover, Wernigerode, Kirchhain and Neu- Response. The project is funded in the Federal Biodiversity Program by the Federal Agency for Nature Conservation with funds from the Federal Ministry for the Environment, Nature Conservation, Building and Nuclear Safety. The experiences and results of the pilot project are further incorporated into the maintenance requirements for public green spaces in the urban area in other municipalities (Reference 1, 7).

Hanken School of Economics has placed green walls on its campus in Helsinki. The walls are placed in libraries and group rooms where students spend long periods of time to provide better air quality (ref, 2). The NaturVention (now known as Naava) patented active green walls are claimed to filter air 100 times more effectively than regular indoor plants (ref. 3). With pure and fresh Naava air, it is claimed that people can focus on their day, while Naava takes care of their air (ref. 5).