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Collection phase
The UNA has collected nature-based solutions in several phases:
  • As part of the Naturvation H2020 project, 1000 projects were included from 100 European cities (2017-2021);
  • A collection of 120 climate-focused global cases was funded by the British Academy (BA) in preparation for the 2021 United Nations Climate Change Conference COP26 (2021);
  • An extension of 100 Asian projects was supported by the Asia-Europe Foundation (ASEF) to increase ASEAN member states’ capacity to implement nature-based solutions (2022).

Projects

83 Results
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Green Area Inner-city tree planting agreement
Climate action for adaptation, resilience and mitigation (SDG 13) Green space, habitats and biodiversity (SDG 15) Environmental quality Regeneration, land-use and urban development Health and well-being (SDG 3) Cultural heritage and cultural diversity
Grey infrastructure featuring greens Blue infrastructure Parks and urban forests
Bologna, Italy

Green Area Inner-city tree planting agreement

The project aimed to tackle two environmental problems through an integrated policy: climate change (both the mitigation and adaptation effects of urban forestation) and air…
Budget€500,000 - €2,000,000
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Green facade Vasakronan
Green space, habitats and biodiversity (SDG 15) Environmental quality Regeneration, land-use and urban development
Nature on buildings (external)
Göteborg (FUA), Sweden

Green facade Vasakronan

Sweden's largest real estate company, Vasakronan, tests its first green outdoor facade at Kyrkogatan in Göteborg. The project was implemented with aim of improving the…
BudgetUnknown
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Green facades programme city of Münster
Climate action for adaptation, resilience and mitigation (SDG 13) Green space, habitats and biodiversity (SDG 15) Environmental quality Cultural heritage and cultural diversity
Nature on buildings (external)
Münster, Germany

Green facades programme city of Münster

As an open root space, climbing plants usually only need a small floor area. Such planting areas can be cut out in a semicircular shape
directly on the facade, for…
Budget€10,000 - €50,000
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Green Network of Hamburg (2016)
Climate action for adaptation, resilience and mitigation (SDG 13) Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Regeneration, land-use and urban development Health and well-being (SDG 3) Economic development and employment (SDG 8)
Grey infrastructure featuring greens Blue infrastructure Parks and urban forests
Hamburg, Germany

Green Network Hamburg

While Hamburg has already had an impressive green infrastructure, it is now (since 2013) implementing an interconnected green network that will cover the 40 % of its area and…
BudgetMore than €4,000,000
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Sofia Green Rails
Climate action for adaptation, resilience and mitigation (SDG 13) Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Environmental quality Regeneration, land-use and urban development Inclusive and effective governance (SDG 16) Economic development and employment (SDG 8)
Grey infrastructure featuring greens
Sofia, Bulgaria

Green railways for the city tram

Thanks to an initiative by the citizens of Sofia, called Green Rails in Sofia, grass was planted by the Municipality on a an area of newly reconstructed tram line in Sofia.…
BudgetUnknown
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Green Roof on Campus Building
Climate action for adaptation, resilience and mitigation (SDG 13) Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Environmental quality Health and well-being (SDG 3) Economic development and employment (SDG 8)
Nature on buildings (external) Green areas for water management
Antwerpen, Belgium

Green Roof and Courtyard on Campus Building

The green roof and courtyard/patio on a new campus building of the University of Applied Sciences consist of trees and plants that reduce temperature and improve air quality…
BudgetMore than €4,000,000
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Irene K Centre Wirral Ark (Ref. 1)
Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Health and well-being (SDG 3)
Nature on buildings (external)
Wirral, United Kingdom

Green Roof at Irene Kennedy Centre

The scheme of the single storey extension building ‘the Irene Kennedy Centre’ (Wirral Churches’ Ark Project, known as, Wirral Ark; a registered charity) includes a sedum roof…
BudgetUnknown
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Green roof, Administration Building of Nord/LB
Climate action for adaptation, resilience and mitigation (SDG 13) Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Environmental quality Regeneration, land-use and urban development
Nature on buildings (external) Blue infrastructure Green areas for water management
Hannover, Germany

Green roof, Administration Building of Nord/LB

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…
BudgetUnknown
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The Podlasie Opera and Philharmonic – European Art Centre in Białystok (2018)
Climate action for adaptation, resilience and mitigation (SDG 13) Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Environmental quality Regeneration, land-use and urban development Social justice, cohesion and equity (SDG 10) Health and well-being (SDG 3) Cultural heritage and cultural diversity
Nature on buildings (external) Parks and urban forests Blue infrastructure Green areas for water management
Białystok, Poland

Green roofs, walls and gardens in the Podlasie Opera

The Podlasie Opera and Philharmonic – European Art Centre in Białystok ("green opera") in Białystok, is known for its green roofs, green walls and extensive gardens…
BudgetMore than €4,000,000
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Green Space at the Andromède Ecodistrict
Climate action for adaptation, resilience and mitigation (SDG 13) Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Environmental quality Regeneration, land-use and urban development Health and well-being (SDG 3) Economic development and employment (SDG 8)
Nature on buildings (external) Grey infrastructure featuring greens Parks and urban forests Community gardens and allotments Green areas for water management
Toulouse, France

Green Space at the Andromède Ecodistrict

Andromeda is the first eco-district of Toulouse Métropole. Extended on the municipalities of Blagnac and Beauzelle, it brings together 210 hectares of green spaces, housing…
BudgetMore than €4,000,000
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Source: http://zzmpoznan.pl/wiadomosci/1/wiadomosc/125633/budowa_parku_przy_ul_dolna_wilda
Green space, habitats and biodiversity (SDG 15) Environmental quality Regeneration, land-use and urban development Health and well-being (SDG 3)
Grey infrastructure featuring greens Parks and urban forests
Poznań, Poland

Green square near Dolna Wilda Street

In 2019, the city of Poznań finalized works on another city park, as a part of its long-term urban redevelopment plan. When designing the park, the focus was on creating a…
Budget€100,000 - €500,000
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Green Tram Tracks (2009)
Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Environmental quality Regeneration, land-use and urban development
Grey infrastructure featuring greens
Karlsruhe, Germany

Green tram tracks across Karlsruhe

Since the mid-eighties, several German cities like Karlsruhe have been implementing green tram tracks, followed by a period of decline due to incompatibility with technical…
BudgetUnknown
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Crédit Agricole Alpes Provence green wall
Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Environmental quality Economic development and employment (SDG 8)
Nature on buildings (external)
Marseille (FUA), France

Green Wall for Advertising

From 2009 to 2018, a green wall including 1,700 mediterranean perennials (agapanthus, valerian, fern) fed by a water-saving watering system was in place in a heavily…
BudgetUnknown
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An office building with vegetation covering the outer wall
Climate action for adaptation, resilience and mitigation (SDG 13) Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Environmental quality
Nature on buildings (external) Green areas for water management
Antwerpen, Belgium

Green Wall on Office Building

On an office building, one of the largest green walls of Belgium was created (50.000 plants) that improves air quality, reduces heat stress, and improves biodiversity. The…
BudgetUnknown
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Green Tram Track
Climate action for adaptation, resilience and mitigation (SDG 13) Green space, habitats and biodiversity (SDG 15) Environmental quality Regeneration, land-use and urban development
Grey infrastructure featuring greens
Stuttgart, Germany

Greened-over urban railway tracks (grass tracks)

Greened-over urban railway tracks (grass tracks) is a city-wide program in Stuttgart which assumes the construction of tram lines with grassed-over tracks. This applies not…
BudgetUnknown
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Greener Grangetown scheme
Climate action for adaptation, resilience and mitigation (SDG 13) Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Environmental quality
Grey infrastructure featuring greens Parks and urban forests Blue infrastructure Green areas for water management
Cardiff, United Kingdom

Greener Grangetown scheme

Grangetown is the site for a flagship environmental programme to tackle flood risk and water waste (ref 5). This scheme catches, cleans and diverts rainwater directly into…
Budget€2,000,000 - €4,000,000
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