Nature based Solutions for Societal Challenges Charles Karangwa - - PowerPoint PPT Presentation

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Aug 20, 2022 435 likes •639 views

Nature based Solutions for Societal Challenges Charles Karangwa Regional Technical Coordinator Rwanda Country Representative IUCN IN INTER ERNA NATIO TIONAL NAL UNIO ION FOR R CONSE SERVATIO TION OF NATU TURE RE Evolution of

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Nature based Solutions for Societal Challenges Charles Karangwa Regional Technical Coordinator Rwanda Country Representative IUCN

IN INTER ERNA NATIO TIONAL NAL UNIO ION FOR R CONSE SERVATIO TION OF NATU TURE RE

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Evolution of Conservation

Mace (2014), Science, 345 (6204)

INTERNATIONAL UNION FOR CONSERVATION OF NATURE

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When a phrase becomes a concept

2008 2014 2010 IUCN position paper (UNFCC 2009) 2013 2009 One of 3 programmes areas

f the IUCN Global

Programme

Formal definition adoption, WCC, Hawaii

World Bank report biodiversity, CC, adaptation IUCN, WWF report 2016 On IUCN advice - EU Horizon 2020 EUR70 billion research call underpinned by NbS concept 2018 2019 +120 academic papers published, all referencing IUCN, 2016 IUCN support UN SG CC summit dedicated NbS track China & New Zealand co-leads

IUCN Global Response

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INTERNATIONAL UNION FOR CONSERVATION OF NATURE INTERNATIONAL UNION FOR CONSERVATION OF NATURE

Defining Nature-based Solutions IUCN (2016): “Actions to protect, manage and restore natural or modified ecosystems, which address societal challenges, effectively and adaptively, providing human well- being and biodiversity benefits.”

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INTERNATIONAL UNION FOR CONSERVATION OF NATURE

Supporting National Commitments

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INTERNATIONAL UNION FOR CONSERVATION OF NATURE INTERNATIONAL UNION FOR CONSERVATION OF NATURE

Not a stand alone solution

Hybrid approaches, utilizing a combination of natural and grey infrastructure

Natural infrastructure Grey infrastructure Synergies

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Natural Infrastructure costs compared to Grey/Engineered Infrastructure Costs

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NbS standard

INTERN TERNATION IONAL AL UNI NION ON FO FOR R CONSER SERVATION ATION OF F NATUR TURE

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INTERNATIONAL UNION FOR CONSERVATION OF NATURE

Standards

8. Ambitious
1. Biodiversity &

Human Wellbeing

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Nature-based Solutions

Examples in practice

IUCN, the International Union for Conservation of Nature

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Conservation actions Natural resource management

utcomes

Development impacts E.g. Landscape restoration E.g.

Catchment

rehabilitation

Habitat protection

➢ Poverty reduction (SDG1) ➢ Green growth & jobs (SDG 8) ➢ Food and water security (SDG 2 and 6) ➢ Climate change mitigation (SDG 13) ➢ Resilience and risk management (SDG1 and 11)

Impact Pathway: ascending diversity/breadth of outcomes

Nature-based Solutions at Scale

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Rangeland restoration

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Benefits of rangeland restoration

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Benefits Natural forage / Rangeland productivity 20.5 million Groundwater percolation 188.5 million Sediment control 9.1 million Carbon sequestration 6.9 million Total Present Economic Value 255 million Costs Community surveillance and biomass studies 7.3 million Benefits – Costs Total Net Present Value of restoration 217.7 million

Cost-benefit of restorin ing 100,000 hectares

ver 25 years

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SLM and forest restoration land use scenarios in Gedaref State, Eastern Sudan

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Benefits of implementing agroforestry in Gedaref, Sudan

Agroforestry implementation costs (4,850 SDG) Direct benefits to farmers (1,387 SDG) Benefits to global society (40,037 SDG) Benefits to watershed society (17,886 SDG)

Increased productivity Reduced soil loss Gum Arabic production Groundwater recharge Carbon sequestration

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Thank you

Questions: What does the term Nature Based Solutions mean to you? How are you currently using Nature Based Solutions in your work?

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