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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.

Much research effort has been invested in understanding ecological impacts of invasive alien species (IAS) across ecosystems and taxonomic groups, but empirical studies about economic effects lack synthesis. Using a comprehensive global database, we determine patterns and trends in economic costs of aquatic IAS by examining: (i) the distribution of these costs across taxa, geographic regions, and cost types; (ii) the temporal dynamics of global costs; and (iii) knowledge gaps, especially compared to terrestrial IAS. Based on the costs recorded from the existing literature, the global cost of aquatic IAS conservatively summed to US$345 billion, with the majority attributed to invertebrates (62%), followed by vertebrates (28%), then plants (6%). The largest costs were reported in North America (48%) and Asia (13%) and were principally a result of resource damages (74%); only 6% of recorded costs were from management. The magnitude and number of reported costs were highest in the United States of America and for semi-aquatic taxa. Many countries and known aquatic alien species had no reported costs, especially in Africa and Asia. Accordingly, a network analysis revealed limited connectivity among countries, indicating disparate cost reporting. Aquatic IAS costs have increased in recent decades by several orders of magnitude, reaching at least US$23 billion in 2020. Costs are likely considerably underrepresented compared to terrestrial IAS; only 5% of reported costs were from aquatic species, despite 26% of known invaders being aquatic. Additionally, only 1% of aquatic invasion costs were from marine species. Costs of aquatic IAS are thus substantial, but likely underreported. Costs have increased over time and are expected to continue rising with future invasions. We urge increased and improved cost reporting by managers, practitioners and researchers to reduce knowledge gaps. Few costs are proactive investments; increased management spending is urgently needed to prevent and limit current and future aquatic IAS damages.

Papua New Guinea is a high biodiversity country in both the terrestrial and marine environments. Many new species of many different genera of plants and animals are still being 'uncovered' through ongoing and concentrated efforts by various researchers and institutions, incrementally filling in the gaps of our knowledge. Areas that were blank on the Conservation Needs Assessment map of 1994 have been filled in over the last 20 years, although many areas are yet to be surveyed.

Many developing countries are unable to fulfil their obligations as signatories of multilateral environmental agreements (MEAs) as they tackle increasingly complex scientific and technical issues. Inadequate human, financial, and technical capacity are some of the constraints that severely impact their ability to implement MEAs. In order to address this pressing issue, the United Nations Environment Programme (UN Environment) and the Food and Agriculture Organization of the United Nations (FAO) have joined forces with the European Commission (EC) and the ACP Secretariat (African, Caribbean, Pacific Group of States Secretariat) and regional organizations, namely, the Secretariat of the Pacific Regional Environment Programme (SPREP), the Caribbean Community Secretariat (CARICOM) and the African Union Commission (AUC) to enhance the capacity of African, Caribbean and Pacific (ACP) countries to improve the implementation of specific MEAs.

Many developing countries are unable to fulfil their obligations as signatories of multilateral environmental agreements (MEAs) as they tackle increasingly complex scientific and technical issues. Inadequate human, financial, and technical capacity are some of the constraints that severely impact their ability to implement MEAs. In order to address this pressing issue, the United Nations Environment Programme (UN Environment) and the Food and Agriculture Organization of the United Nations (FAO) have joined forces with the European Commission (EC) and the ACP Secretariat (African, Caribbean, Pacific Group of States Secretariat) and regional organizations, namely, the Secretariat of the Pacific Regional Environment Programme (SPREP), the Caribbean Community Secretariat (CARICOM) and the African Union Commission (AUC) to enhance the capacity of African, Caribbean and Pacific (ACP) countries to improve the implementation of specific MEAs.

Indigenous peoples and local communities often depend on natural resources and biodiversity to meet their subsistence needs and sustain their livelihoods. They have demonstrated their ability to be highly effective natural resource managers under the right conditions, but are also vulnerable to environmental degradation and climate change.

In 2010, the Conference of the Parties of the Convention on Biological Diversity (CBD) agreed to an ambitious set of 20 targets, called the Aichi Biodiversity Targets, as part of their commitment to the CBD Strategic Plan. One of the Targets (target 17) called for each country to revise its National Biodiversity Strategies and Action Plan (NBSAP) in accordance with the Aichi Biodiversity Targets. From 2010 to November 2016, virtually all countries have revised, or are currently completing the revision of, their NBSAP.

The United Nations Environment Programme (UNEP) is committed to supporting Parties to the Convention on Biological Diversity (CBD) in their efforts to achieving the Strategic Plan of Biodiversity (2011-2020) and the Aichi biodiversity targets.

The National Biodiversity Strategies and Action Plans (NBSAPs) are seen as key entry points for enhancing synergies and cooperation among the key biodiversity related conventions, namely the Convention on Biological Diversity (CBD), the Convention on International Trade in Endangered Species in wild Flora and Fauna (CITES), the Convention on Migratory Species of wild fauna (CMS), the World Heritage Convention (WHC), the Ramsar Convention on Wetlands, the International Treaty on Plant Genetic Resources for Food and Agriculture (ITPGRFA) and the International Plan Protection Convention (IPPC). With close of one hundred countries currently finalizing their NBSAPs that serve as key national policy documents concerning biodiversity, this paper attempts to provide specific guidance to countries on ways and means to integrate synergistic actions across key biodiversity conventions. This paper builds on UNEP actions promoting synergies and cooperation among the biodiversity Conventions, including the 'Options Paper' that has been published in 2016 and various Decisions of governing bodies of the conventions calling for synergies.

Marine litter poses serious environmental, health, and economic threats to oceans and coastal ecosystems. It also presents a unique legal and regulatory challenge for many nation States (hereinafter States), as it can originate from diverse land-based and sea-based sources both within and outside of a State. While the full magnitude of the problem can be difficult to ascertain, some estimates suggesting that an average of 8 million tons of plastic waste entered the ocean in 2010, and this figure has been projected to increase.