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Ce rapport est l'un des principaux résultats de l'atelier régional Sea'ties Pacifique qui s'est tenu du 10 au 12 juillet 2023 à Nadi (Fidji). L'atelier a été organisé par la Plateforme Océan & Climat, le Programme régional océanien de l'environnement (PROE), et le Pacific Climate Change Pacifique (PCCC), avec le soutien financier du Fonds de coopération économique, sociale et culturelle pour le Pacifique (« Fonds Pacifique », Ministère de l’Europe et des Affaires Etrangères), du PCCC, et du PROE par le biais du programme d’assistance technique de l’Initiative Kiwa. Le rapport fournit une vue d'ensemble des défis actuels en matière d'adaptation dans la région du Pacifique, ainsi que des initiatives inspirantes pour les relever. Les conclusions de ce rapport s'appuient sur les points de vue exprimés lors d’entretiens et sur les discussions de l'atelier lui-même. Il souligne et démontre à quel point, dans une région où de nombreuses îles sont de faible altitude, où la grande majorité de la population vit au bord de l'océan et où la côte s'urbanise rapidement, l'élévation du niveau de la mer reste une question existentielle et qu'il est primordial d'accélérer les mesures d'atténuation et d'adaptation.

Pacific Island Countries and Territories are facing rapidly changing ocean and coastal conditions due to climate change, and are particularly vulnerable to sea level rise (SLR). As elsewhere in the world, Pacific coastal cities concentrate population and valuable assets including well over the 50% of the region's built infrastructure.

The year 2022 was still a warm year for the region, despite temporary cooling associated with the La Nina event. The moderate La Nina event contributed to significant rainfall anomalies, namely particularly dry conditions in much of the equatorial Pacific, including Kiribati, Tuvalu, Nauru, Tokelau (some locations received totals more than 80% below long-term average) and wet conditions over the maritime continent and eastern Australia

Early action on adaptation and mitigation will be beneficial in both the near and long term, reducing climate risks for humans and ecosystems. Adaptation actions will benefit Pacific islanders through reduced vulnerability but cannot prevent all losses and damages.

The scientific evidence is clear: Climate change is a threat to human well-being and planetary health. There is a rapidly closing window for action to secure a liveable and sustainable future for all. We collectively have sufficient knowledge, tools and global capital available to address the challenges. The choices and actions we take now will have impacts for thousands of years.

This report shows (i) spatial layers or table which can be used for the GIS data of the countries. The report a;so lists all image data purchased through the project.

Climate change and urbanisation in combination put great pressure on terrestrial and ocean ecosystems, vital for subsistence and wellbeing in both rural and urban areas of Pacific islands

This synthesis report provides an overview of the project and its activities, including the Ecosystem and Socio-economic Resilience Analysis and Mapping (ESRAM) studies, which were the foundation for the development of ecosystembased adaptation (EbA) options in the three countries. It outlines the selected EbA demonstration initiatives and highlights the successes and lessons learnt in implementing these options at provincial, island and local/village level. Synthesis reports outlining the findings of the Ecosystem and Socio-economic Resilience Analysis and Mapping (ESRAM) studies are available separately.

The Asia and Pacific region is extremely vulnerable to the impacts of climate change. Unabated warming could significantly undo previous achievements of economic development and improvements of living standards. At the same time, the region has both the economic capacity and weight of influence to change the present fossil-fuel based development pathway and curb global emissions. This report sheds light on the regional implications of the latest projections of changes in climate conditions over Asia and the Pacific. The assessment concludes that, even under the Paris consensus scenario in which global warming is limited to 1.5°C to 2°C above preindustrial levels, some of the land area, ecosystems, and socioeconomic sectors will be significantly affected by climate change impacts, to which policy makers and the investment community need to adapt to. However, under a Business-As-Usual (BAU) scenario, which will cause a global mean temperature rise of over 4°C by the end of this century, the possibilities for adaptation are drastically reduced. Among others, climate change impacts such as the deterioration of the Asian “water towers”, prolonged heat waves, coastal sea-level rise and changes in rainfall patterns could disrupt ecosystem services and lead to severe effects on livelihoods which in turn would affect human health, migration dynamics and the potential for conflicts. This assessment also underlines that, for many areas vital to the region’s economy, research on the effects of climate change is still lacking.