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Meeting global commitments to conservation, climate, and sustainable development requires consideration of synergies and tradeoffs among targets. We evaluate the spatial congruence of ecosystems providing globally high levels of nature’s contributions to people, biodiversity, and areas with high development potential across several sectors.

This introductory brief's target audience is professionals from governments, civil society, private sector, and other stakeholders who know multilateral processes and treaties but are not “BBNJ (biodiversity beyond national jurisdiction) experts”. It is an easier read than the treaty itself.

The Kunming-Montreal Global Biodiversity Framework (GBF) marks one of the most ambitious environmental agreements of the 21st century. Yet despite the ambition, and the considerable change in approach since negotiating its predecessor (the 2025 Vision and Aichi targets), the many pressures, including working through a global pandemic mean that the final agreement, despite several years of delay, is weaker than might have been hoped for.

Marine spatial planning (MSP) has the potential to balance demands for ocean space with environmental protection and is increasingly considered crucial for achieving global ocean goals. In theory, MSP should adhere to six principles, being: (1) ecosystem-based, (2) integrated, (3) place-based, (4) adaptive, (5) strategic, and (6) participatory. Despite nearly two decades of practice, MSP continues to face critical challenges to fully realize these principles, hindering its ability to deliver positive outcomes for people and nature.

This document is a guide along the path to realizing Target 3 of the KMGBF. It guides us through the text of the Target itself, breaking down all of the elements and, perhaps most importantly, it is loaded with links to more details. The path it offers leads to effective implementation through equitable and human rights-based action. It is a big guide for a big job. The development of this guide is a small example of the kind of cooperation and hard work that we need to succeed in Target 3.

Marine protected areas are increasingly touted for their role in conserving large marine predators such as sharks, but their efficacy is debated. Seventeen “shark sanctuaries” have been established globally, but longline fishing continues within many such jurisdictions, leading to unknown levels of bycatch mortality levels. Using public data from Global Fishing Watch and Regional Fisheries Management Organizations, we quantified longline fishing within eight shark sanctuaries and estimated pelagic shark catch and mortality for seven pelagic shark species.

Twenty-five years since foundational publications on valuing ecosystem services for human well-being addressing the global biodiversity crisis still implies confronting barriers to incorporating nature’s diverse values into decision-making. These barriers include powerful interests supported by current norms and legal rules such as property rights, which determine whose values and which values of nature are acted on. A better understanding of how and why nature is (under)valued is more urgent than ever.

Island ecosystems are disproportionally impacted by biodiversity loss and as such their effective management is critical to global conservation efforts. Practitioners worldwide work to manage island sites and species to conserve them, but various day-to-day barriers compromise these efforts, reducing management effectiveness and preventing local and potentially even national biodiversity targets from being met.