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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

169 Results
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Map of northeastern Haiti showing the location and boundaries of the 3Bays Marine Protected Area
Climate action for adaptation, resilience and mitigation (SDG 13) Coastal resilience and marine protection (SDG 14) Green space, habitats and biodiversity (SDG 15) Water management (SDG 6) Inclusive and effective governance (SDG 16) Social justice, cohesion and equity (SDG 10)
Blue infrastructure
Fort Liberté, Haiti

Three Bays Protected Area

As a result of a ReefFix Project, an Integrated Coastal Zone Management (ICZM) Coral Reef and Mangrove Restoration and Watershed Management Demonstration programme, the Three…
BudgetUnknown
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abandoned areas mgmt strategy
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
Parks and urban forests Community gardens and allotments Blue infrastructure Intentionally unmanaged areas
Montpellier, France

Abandoned areas: management strategy

In 2009, the city of Montpellier launched a large census project to valorize its abandoned areas. The study gives guidance on the management of abandoned areas in Montpellier…
BudgetMore than €4,000,000
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Tree planting
Climate action for adaptation, resilience and mitigation (SDG 13) Green space, habitats and biodiversity (SDG 15) Environmental quality
Parks and urban forests
Addis Ababa, Ethiopia

Aforestation at the Gullele Botanical Garden

In 2019 at the Gullele Botanical Garden in Addis Ababa, the Ethiopian government launched a historic tree planting campaign. Over 350 million trees were planted in an…
BudgetMore than €4,000,000
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ATP 4 Neighbourhood
Climate action for adaptation, resilience and mitigation (SDG 13) Environmental quality Green space, habitats and biodiversity (SDG 15) Water management (SDG 6) Social justice, cohesion and equity (SDG 10)
Grey infrastructure featuring greens Parks and urban forests
Yerevan, Armenia

Armenia's Tree Project

The Armenia Tree Project is a national initiative founded in 1994. The project engages in involving different community members in an urban planting program, environmental…
Budget€500,000 - €2,000,000
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Artemis Lagoon
Climate action for adaptation, resilience and mitigation (SDG 13) Coastal resilience and marine protection (SDG 14) Green space, habitats and biodiversity (SDG 15) Regeneration, land-use and urban development Inclusive and effective governance (SDG 16) Health and well-being (SDG 3) Economic development and employment (SDG 8) Cultural heritage and cultural diversity
Blue infrastructure
Athens, Greece

Artemis Lagoon

The lagoon has a great local significance for its biodiversity with the presence of certain species of rare birds regularly stationed in this area. Much of the biotope was…
BudgetUnknown
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Baubotanical Tower (2010)
Green space, habitats and biodiversity (SDG 15) Environmental quality Regeneration, land-use and urban development
Nature on buildings (external)
Stuttgart, Germany

Baubotanical tower in Wald-Ruhestetten, south of Stuttgart

Baubotanik Tower is a test and demonstration building in Wald-Ruhestetten, approx. 150km south of Stuttgart. It exemplifies new engineering possibilities with living plants…
BudgetUnknown
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Beddagana Wetland Park
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) Economic development and employment (SDG 8)
Blue infrastructure Parks and urban forests
Sri Jayawaradenepura Kotte, Sri Lanka

Beddagana Wetland Preservation

The Beddagana Wetland Park is located in Sri Jayawardenapura Kotte, Sri Lanka's administrative capital. The wetland park plays an important role in flood regulation and…
BudgetMore than €4,000,000
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Beijing Plain Area Afforestation Programme (BPAP)
Climate action for adaptation, resilience and mitigation (SDG 13) Environmental quality Green space, habitats and biodiversity (SDG 15) Regeneration, land-use and urban development Health and well-being (SDG 3) Social justice, cohesion and equity (SDG 10)
Grey infrastructure featuring greens Parks and urban forests
Beijing, China

Beijing Plain Area Afforestation Programme (BPAP)

To mitigate environmental pressures, including air pollution and urban heat island effects and to improve urban resilience, the municipal government in Beijing has launched…
BudgetMore than €4,000,000
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Benacantil vegetation restoration project
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) Cultural heritage and cultural diversity
Parks and urban forests
Alicante/Alacant, Spain

Benacantil vegetation restoration project

The action proposed by the Municipal Technical Service of Parks and Gardens at the Department of the Environment, aims at the regeneration of the forest with the repopulation…
Budget€500,000 - €2,000,000
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Bicycle parking space with green grass roof
Climate action for adaptation, resilience and mitigation (SDG 13) Green space, habitats and biodiversity (SDG 15)
Nature on buildings (external) Grey infrastructure featuring greens
Zürich, Switzerland

Bicycle parking space with green grass roof

Architect Santiago Calatrava is set to create a grass-topped office block on the plaza in front of Stadelhofen Station in Zurich with public parking for 1000 bicycles on the…
BudgetMore than €4,000,000
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Biodiversity enhancement in the Forest of Avaize
Climate action for adaptation, resilience and mitigation (SDG 13) Green space, habitats and biodiversity (SDG 15) Cultural heritage and cultural diversity
Parks and urban forests Community gardens and allotments Blue infrastructure
Saint-Etienne, France

Biodiversity enhancement in the Forest of Avaize

The park of "Bois d'Avaize", with an area of 30 ha, is located south-east of Saint-Étienne on a hill site between 540 and 640 m altitude. A former mining site…
BudgetUnknown
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Photo 1
Climate action for adaptation, resilience and mitigation (SDG 13) Coastal resilience and marine protection (SDG 14) Green space, habitats and biodiversity (SDG 15) Water management (SDG 6) Social justice, cohesion and equity (SDG 10)
Blue infrastructure Community gardens and allotments
Muanda , Congo - Kinshasa

Building coastal resilience for Muanda’s communities

The Democratic Republic of the Congo’s coastal zone stretches 40 km and comprises the towns of Muanda, Banana and Nsiamfumu. The problem of coastal erosion has intensified…
BudgetMore than €4,000,000
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Mangrove saplings
Climate action for adaptation, resilience and mitigation (SDG 13) Coastal resilience and marine protection (SDG 14) Environmental quality Green space, habitats and biodiversity (SDG 15) Water management (SDG 6) Cultural heritage and cultural diversity Social justice, cohesion and equity (SDG 10) Economic development and employment (SDG 8)
Blue infrastructure
Paramaribo, Suriname

Building With Nature: Mangrove Rehabilitation

Extensive and low-lying, Suriname’s coastal region has been identified as highly vulnerable to climate-induced sea-level rise (Ref. 1). "Momentarily the most endangered…
Budget€100,000 - €500,000
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Celebra Building Vertical Wall
Climate action for adaptation, resilience and mitigation (SDG 13) Environmental quality Green space, habitats and biodiversity (SDG 15)
Nature on buildings (external)
Montevideo, Uruguay

Celebra Vertical Garden

The construction of "the biggest vertical garden in Uruguay" was completed in 2014 (Ref. 1). The vertical garden has an area of 300m2 and contains over 6,000 plants…
BudgetUnknown
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City Island Park
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) Cultural heritage and cultural diversity Sustainable consumption and production (SDG 12)
Blue infrastructure Grey infrastructure featuring greens Parks and urban forests Community gardens and allotments Green areas for water management
Utrecht, Netherlands

City Island Park Tour

The municipality initiated to realize a healthy and climate-proof 'city island' which includes a large variety of projects, including the City Island Park Tour,…
Budget€500,000 - €2,000,000
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CityTree Project
Climate action for adaptation, resilience and mitigation (SDG 13) Green space, habitats and biodiversity (SDG 15) Environmental quality
Nature on buildings (external)
Oslo, Norway

CityTree

The Urban Ecology Agency of Oslo (Bymiljøetaten) installed two CityTrees in the city of Oslo to act as green lungs in the city and reduce air pollution. The two CityTrees…
Budget€50,000 - €100,000
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