Using standards for coastal nature-based solutions in climate commitments: applying the IUCN Global Standard to the case of Pacific Small Island Developing States

Type Article
Date 2023
Language English
Author(s) Châles Fanny1, Bellanger Manuel2, Bailly Denis1, Dutra Leo X.C.3, 4, Pendleton Linwood1, 5, 6, 7
Affiliation(s) 1 : Univ Brest, UMR 6308 Amure, CNRS, Ifremer, IUEM, Plouzané, France
2 : Unité d’Économie Maritime, UMR 6308 Amure, Ifremer, Univ Brest, CNRS, IUEM, Plouzané, France
3 : CSIRO Oceans and Atmosphere, Queensland Biosciences Precinct, St Lucia, QLD 4067, Australia
4 : Centre for Marine Socioecology, University of Tasmania, Hobart, Tasmania, Australia
5 : Ocean Knowledge-Action Network
6 : Nicholas Institute, Duke University, Durham, NC, USA
7 : Global Change Institute, University of Queensland, Brisbane, QLD, Australia
Source Nature-Based Solutions (2772-4115) (Elsevier BV), 2023 , Vol. 3 , P. 100034 (10p.)
DOI 10.1016/j.nbsj.2022.100034
Keyword(s) Climate, Nationally Determined Contributions, Coastal ecosystems, IUCN Global Standard for Nature-based Solutions, Pacific, Small Island Developing States

Coastal nature-based solutions (NbS) are increasingly recognized for their multiple benefits to socio-ecological systems, including climate mitigation and adaptation (e.g. conservation, restoration and sustainable management of coastal ecosystems for climate). National climate plans, such as the Nationally Determined Contributions (NDCs) developed under the Paris Agreement, include coastal NbS as a practical and effective action to help countries achieve their climate and biodiversity targets. However, the absence of a standardized NDC structure and the lack of guidance about how NbS should be included in NDCs can hinder access to external funding for developing countries and prevent transparent reporting on progress at the international level. In this context, our aim is to understand how coastal NbS are currently included in NDCs by evaluating their alignment with the IUCN Global Standard for NbS. Our analysis focuses on the description of coastal NbS in the NDCs of Pacific Small Island Developing States (PSIDS), as they are among the most vulnerable countries to the impacts of climate change. Overall, we find that, for the 22 coastal NbS examined in the NDCs of PSIDS, the degree of alignment with the eight criteria of the IUCN Global Standard is insufficient or partial, with slightly better alignment with the standard in revised NDCs than in original NDCs. We discuss opportunities provided by the standardization of the description of coastal NbS in NDCs, in terms of access to funding and stock taking to monitor the effectiveness of implementation and progress towards long-term goals. We also discuss the relevance of using the IUCN Global Standard for reporting on NbS in NDCs for PSIDS.

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Châles Fanny, Bellanger Manuel, Bailly Denis, Dutra Leo X.C., Pendleton Linwood (2023). Using standards for coastal nature-based solutions in climate commitments: applying the IUCN Global Standard to the case of Pacific Small Island Developing States. Nature-Based Solutions, 3, 100034 (10p.). Publisher's official version : , Open Access version :