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World Environment Day 2026 Statement by Dr. Luthando Dziba, Executive Secretary of the Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES) on 5 June 2026
World Environment Day 2026 is an important milestone in advancing the goals and targets of the 2030 Agenda for Sustainable Development and the Kunming-Montreal Global Biodiversity Framework. But urgent action is needed if the promises of this critical decade are to be fulfilled.
This year’s theme is a global call for more effective climate action. This is urgently needed to underpin the transformative change necessary to coherently address the deeply interconnected challenges of climate change and biodiversity we all face. Climate change intensifies the risks to biodiversity, but at the same time biodiversity action, such as avoiding, reducing and reversing land degradation, could provide more than a third of the most cost-effective greenhouse gas mitigation activities needed by 2030. What is clear is that we need to act now for both climate and biodiversity.
Nearly five years ago, IPBES and the IPCC co-sponsored a landmark expert workshop on biodiversity and climate to explore the scientific basis for addressing the dual crises of climate change and biodiversity loss together, for people and nature. The report showed that ensuring a habitable climate and conserving biodiversity are mutually beneficial goals that require transformative change across policies, economies and the whole-of-society. This message was reinforced by the IPBES Nexus Assessment, which found that focusing on the synergies of integrated action on biodiversity, water, food, climate and health can help maximize benefits and more effectively meet global development goals than narrowly focused actions to combat climate change or biodiversity loss alone.
The good news is there are many options for action, which can be urgently deployed to address the interconnected global crises through ‘nexus approaches’. Nexus approaches are crucial because, despite the intertwined nature of the drivers and underlying causes of degradation of biodiversity, water, food, health and climate, decisions to address them are often taken in isolation, resulting in potential misalignment, unplanned trade-offs and or unintended consequences. They are designed to maximize co-benefits and replace costly single issue silo approaches with integrated and adaptive decision-making. The unaccounted-for costs of current approaches are mounting and estimated to be at least US$10–25 trillion per year, with delayed action on climate change alone adding at least $500 billion per year in additional costs for meeting policy targets, and delayed action on biodiversity goals potentially doubling the cost of taking immediate action.
There is no time to waste with either inaction or outdated approaches, as the negative impacts of these interlinked global crises are now directly affecting more than half of the world’s people, with very unequal impacts and burdens on developing countries, including small island developing states, Indigenous Peoples and local communities, as well as those in vulnerable situations in higher-income countries. Transforming current siloed modes of governance enables successful implementation of response options to manage towards achieving global goals and targets in an integrated manner, with benefits for people and nature now and into the future.
The best chance we have of meeting the SDGs, and biodiversity and climate targets is through smart, integrated approaches to action and policy that generate larger positive impacts for biodiversity and people, such as those which restore carbon-rich ecosystems, reduce disease risk, promote sustainable healthy diets and urban nature-based solutions, and support Indigenous food systems.
Carla Brown
Fri, 05/06/2026
News
World Environment Day 2026 is an important milestone in advancing the goals and targets of the 2030 Agenda for Sustainable Development and the Kunming-Montreal Global Biodiversity Framework. But urgent action is needed if the promises of this critical decade are to be fulfilled.
This year’s theme is a global call for more effective climate action. This is urgently needed to underpin the transformative change necessary to coherently address the deeply interconnected challenges of climate change and biodiversity we all face. Climate change intensifies the risks to biodiversity, but at the same time biodiversity action, such as avoiding, reducing and reversing land degradation, could provide more than a third of the most cost-effective greenhouse gas mitigation activities needed by 2030. What is clear is that we need to act now for both climate and biodiversity.
Nearly five years ago, IPBES and the IPCC co-sponsored a landmark expert workshop on biodiversity and climate to explore the scientific basis for addressing the dual crises of climate change and biodiversity loss together, for people and nature. The report showed that ensuring a habitable climate and conserving biodiversity are mutually beneficial goals that require transformative change across policies, economies and the whole-of-society. This message was reinforced by the IPBES Nexus Assessment, which found that focusing on the synergies of integrated action on biodiversity, water, food, climate and health can help maximize benefits and more effectively meet global development goals than narrowly focused actions to combat climate change or biodiversity loss alone.
The good news is there are many options for action, which can be urgently deployed to address the interconnected global crises through ‘nexus approaches’. Nexus approaches are crucial because, despite the intertwined nature of the drivers and underlying causes of degradation of biodiversity, water, food, health and climate, decisions to address them are often taken in isolation, resulting in potential misalignment, unplanned trade-offs and or unintended consequences. They are designed to maximize co-benefits and replace costly single issue silo approaches with integrated and adaptive decision-making. The unaccounted-for costs of current approaches are mounting and estimated to be at least US$10–25 trillion per year, with delayed action on climate change alone adding at least $500 billion per year in additional costs for meeting policy targets, and delayed action on biodiversity goals potentially doubling the cost of taking immediate action.
There is no time to waste with either inaction or outdated approaches, as the negative impacts of these interlinked global crises are now directly affecting more than half of the world’s people, with very unequal impacts and burdens on developing countries, including small island developing states, Indigenous Peoples and local communities, as well as those in vulnerable situations in higher-income countries. Transforming current siloed modes of governance enables successful implementation of response options to manage towards achieving global goals and targets in an integrated manner, with benefits for people and nature now and into the future.
The best chance we have of meeting the SDGs, and biodiversity and climate targets is through smart, integrated approaches to action and policy that generate larger positive impacts for biodiversity and people, such as those which restore carbon-rich ecosystems, reduce disease risk, promote sustainable healthy diets and urban nature-based solutions, and support Indigenous food systems.