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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

53 Results
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Podberenka river in winter
Climate action for adaptation, resilience and mitigation (SDG 13) Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Social justice, cohesion and equity (SDG 10) Health and well-being (SDG 3)
Blue infrastructure Green areas for water management
Izhevsk, Russia

"Let's return the rivers to the city" campaign

In 2019, the public initiative "Let's return the rivers to the city" campaign united public forces around the Podborenka river, which flows through the…
BudgetUnknown
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Overview image of the Misheel botanical garden
Environmental quality Green space, habitats and biodiversity (SDG 15) Regeneration, land-use and urban development Water management (SDG 6) Cultural heritage and cultural diversity Health and well-being (SDG 3) Inclusive and effective governance (SDG 16) Social justice, cohesion and equity (SDG 10)
Blue infrastructure Community gardens and allotments Grey infrastructure featuring greens Parks and urban forests
Ulaanbaatar, Mongolia

"Misheel" botanical garden

The Misheel Botanical Garden is a large park located in Ulaanbaatar, Mongolia, established in 2021 along the Tuul River. The project was carried out by "Misheel Group…
Budget€500,000 - €2,000,000
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Arhus river project
Climate action for adaptation, resilience and mitigation (SDG 13) Water management (SDG 6) Green space, habitats and biodiversity (SDG 15) Social justice, cohesion and equity (SDG 10) Health and well-being (SDG 3) Economic development and employment (SDG 8)
Parks and urban forests Blue infrastructure Green areas for water management
Århus, Denmark

Aarhus River Project

The project was about restoration of the Aarhus river. The river was piped during the 1930s for hygienic reasons and to give space for road infrastructure. In 1989, the city…
BudgetMore than €4,000,000
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Aerial view of the planned site
Green space, habitats and biodiversity (SDG 15) Regeneration, land-use and urban development Economic development and employment (SDG 8) Sustainable consumption and production (SDG 12)
Grey infrastructure featuring greens Community gardens and allotments
Wuppertal, Germany

Arrenberg climate district: Arrenbergfarm

Based on an urban regeneration project in the city district of Arrenberg, an association called “Awakening of the Arrenberg” formed in 2008, consisting of citizens,…
Budget€500,000 - €2,000,000
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Pictures of deer grazing on trees and grass in vegetated area
Environmental quality Green space, habitats and biodiversity (SDG 15) Water management (SDG 6) Cultural heritage and cultural diversity Health and well-being (SDG 3) Inclusive and effective governance (SDG 16) Social justice, cohesion and equity (SDG 10) Economic development and employment (SDG 8)
Blue infrastructure Parks and urban forests
Augsburg, Germany

Backwaters management in the city forest

Management of natural lime-dry grasslands on gravel banks in Augsburg is conducted by the Landcape Association of the City of Augsburg (Bavaria, Germany). 300 ha of biotopes…
Budget€50,000 - €100,000
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Biotop Schladitz
Green space, habitats and biodiversity (SDG 15) Regeneration, land-use and urban development Water management (SDG 6) Social justice, cohesion and equity (SDG 10) Economic development and employment (SDG 8)
Blue infrastructure
Leipzig, Germany

Biotope Schladitz

The biotope Schladitz is the regenerated remains of a former installation for the dehydration of sewage sludge implemented in 1952 by the communal waterworks company which…
BudgetUnknown
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Kallang River before and after naturalisation
Climate action for adaptation, resilience and mitigation (SDG 13) Green space, habitats and biodiversity (SDG 15) Regeneration, land-use and urban development Water management (SDG 6) Health and well-being (SDG 3) Social justice, cohesion and equity (SDG 10)
Blue infrastructure Green areas for water management Parks and urban forests
Singapore, Singapore

Bishan-Ang Mo Kio Park & Kallang River Restoration

The redevelopment of the Bishan-Ang Mo Kio Park (Singapore) saw the naturalisation of the previously channelised Kallang River, as well as the installation of wetland cells…
BudgetMore than €4,000,000
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Pond in Kathmandu
Climate action for adaptation, resilience and mitigation (SDG 13) Green space, habitats and biodiversity (SDG 15) Regeneration, land-use and urban development Water management (SDG 6) Cultural heritage and cultural diversity Social justice, cohesion and equity (SDG 10)
Blue infrastructure Grey infrastructure featuring greens Parks and urban forests
Kathmandu, Nepal

Blue Green Infrastructure Mapping

The Blue-Green Infrastructure (BGI) Mapping is the initiative for Identification, Mapping, and Promotion of Blue and Green Infrastructures for Sustainable Urban Ecosystem in…
BudgetUnknown
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Cheonggyecheon Before
Climate action for adaptation, resilience and mitigation (SDG 13) Environmental quality Green space, habitats and biodiversity (SDG 15) Regeneration, land-use and urban development Water management (SDG 6) Cultural heritage and cultural diversity Economic development and employment (SDG 8)
Blue infrastructure Parks and urban forests
Seoul, South Korea

Cheonggyecheon Stream Restoration Project

The Cheonggyecheon Stream Restoration Project saw the dismantling and removal of an elevated freeway and the uncovering of a 5.84km section of the Cheonggyecheon historic…
Budget€100,000 - €500,000
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Cleavleys Wet Woodland renaturalisation
Green space, habitats and biodiversity (SDG 15) Water management (SDG 6) Cultural heritage and cultural diversity Health and well-being (SDG 3)
Blue infrastructure Parks and urban forests
Greater Manchester , United Kingdom

Cleavleys Wet Woodland renaturalisation

City of Trees is an innovative movement set to re-invigorate Greater Manchester’s landscape by transforming underused woodland and planting a tree for every person who lives…
BudgetUnknown
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Constructed Wetland
Green space, habitats and biodiversity (SDG 15) Water management (SDG 6) Inclusive and effective governance (SDG 16)
Blue infrastructure Green areas for water management
Dublin (FUA), Ireland

Constructed Wetland

Wetlands provide a varying degree of treatment of discharged water and are ideally suited for the containment and treatment of polluted water runoff, being a holistic example…
BudgetMore than €4,000,000
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Balili River Constructed Wetland
Green space, habitats and biodiversity (SDG 15) Water management (SDG 6) Economic development and employment (SDG 8)
Blue infrastructure
La Trinidad, Philippines

Constructed wetland for Balili River

Balili River, situated in the province of Benguet, is among the many urban rivers in the Philippines that suffer from severe pollution due to various human activities.…
BudgetUnknown
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A Habitat for Orchids at the Ecological Infrastructure at the Port of Antwerp (2014)
Green space, habitats and biodiversity (SDG 15) Water management (SDG 6) Cultural heritage and cultural diversity
Blue infrastructure Grey infrastructure featuring greens Parks and urban forests
Antwerpen, Belgium

Ecological Infrastructure in Port of Antwerp

The area of the Port of Antwerp is one of the most important habitats for threatened species, even at the European level (Ref. 1). Therefore, a species protection programme…
Budget€500,000 - €2,000,000
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Ecological Wetland Park in Tianjin
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)
Blue infrastructure Green areas for water management
Tianjin, China

Ecological Wetland Park in Tianjin

The Ecological Wetland Park is a 630,000 m2 artificial wetland located in a high tech industrial pioneer zone, adjacent to the Tianjin Harbor. The project was initiated by an…
BudgetMore than €4,000,000
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Architectural drawing of a canal system with surrounding vegetation
Green space, habitats and biodiversity (SDG 15) Regeneration, land-use and urban development Health and well-being (SDG 3) Inclusive and effective governance (SDG 16) Social justice, cohesion and equity (SDG 10)
Blue infrastructure Grey infrastructure featuring greens Parks and urban forests
Plovdiv, Bulgaria

Ecopark Maritsa

Funded by the ERDF through the financial instrument JESSICA, the aim of the ecopark is to compensate for the tree felling during the construction of the second rowing canal…
BudgetMore than €4,000,000
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Lebendige Luppa
Climate action for adaptation, resilience and mitigation (SDG 13) Environmental quality Green space, habitats and biodiversity (SDG 15) Water management (SDG 6) Health and well-being (SDG 3) Social justice, cohesion and equity (SDG 10)
Blue infrastructure Parks and urban forests
Leipzig, Germany

Elster-Luppe wetland: Revitalization and renaturalization

Due to human interventions into the natural river flow with dykes, drainage of agricultural and grassland or cutting off its water bodies, the wetland Elster-Luppe had lost…
BudgetMore than €4,000,000
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