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World Maritime Day

The ocean provides half of the oxygen we breathe, feeds billions of people, regulates the climate, and enables more than 80 per cent of global trade through maritime transport. However, pollution, overuse and climate change are undermining this vital resource. Under the theme ¡°Our Ocean, Our Obligation, Our Opportunity,¡± this year¡¯s World Maritime Day shines a spotlight on the essential role the ocean plays in sustaining life, livelihoods, and the global economy.

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Climate Summit 2025

On 24 September, the UN Secretary-General will host a Special High-Level Event on Climate Action, as a platform for world leaders to present new national climate plans and accelerate momentum, ahead of COP30. These new plans must reflect bold action for the next decade, unlocking a just, resilient and low-carbon future.

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EnergyNow SDG7 Action Forum

The 2025 edition of the Forum takes place during the UN General Assembly High-Level Week in New York. It brings together leaders and experts to push forward universal energy access and equitable energy transition.

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SDG Media Zone

Through dynamic interviews featuring experts, influencers, activists and media partners, the SDG Media Zone 2025 highlights actions and solutions in support of the SDGs.This year¡¯s programme includes sessions on renewable energy, youth environmental leadership, climate storytelling, information integrity for climate action, and a conversation with Secretary-General¡¯s Special Adviser on Climate Action Selwin Hart. Find out more here.

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General Assembly High-level Week 2025

This year¡¯s high-level week of the General Assembly highlights the urgency of delivering on the promise of the Sustainable Development Goals and reinvigorating global cooperation. Under the theme ¡°Better together: 80 years and more for peace, development and human rights,¡± the 80th session aims to renew global commitment to multilateralism, solidarity and shared action.

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World Cleanup Day

The fashion industry generates 92 million tonnes of textile waste each year, overwhelming waste systems, polluting waterways, and producing greenhouse gas emissions that fuel the climate crisis. This year¡¯s World Cleanup Day highlights the urgent need to shift habits toward responsible consumption and strengthen waste management systems.

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International Day for the Preservation of the Ozone Layer

The , adopted in 1987, united the world to phase out ozone-depleting substances and put the ozone layer on a path to recovery. The International Day for the Preservation of the raises awareness on the role of the ozone layer in protecting life on Earth

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International Day of Clean Air for Blue Skies

Almost the entire global population (99 per cent) breathes air that exceeds WHO air quality limits, and threatens their health. The global cost of is estimated at $8.1 trillion a year, equivalent to 6.1 per cent of global GDP. Shifting away from fossil fuels and investing in renewable energy could prevent 1.2 million deaths a year resulting from exposure to fossil fuel-derived pollution.

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World Lake Day

Lakes are crucial for freshwater, biodiversity, and climate regulation. But overuse, pollution and climate change are affecting these vital natural resources. On this first World Lake Day, take a look at the with key data on the health of millions of lakes, rivers and wetlands on Earth.

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International Day of the World¡¯s Indigenous Peoples

Indigenous Peoples' territories contain 11 per cent of the world¡¯s forests and most of the world¡¯s remaining biodiversity. The International Day of the World¡¯s Indigenous Peoples highlights the need to protect their rights, celebrate their unique and rich cultures, and recognize their achievements and contributions to preserving the world¡¯s precious ecosystems.

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High-level Political Forum on Sustainable Development

The High-level Political Forum on Sustainable Development (HLPF) is the central UN platform for the follow-up and review of the 2030 Agenda for Sustainable Development and the SDGs. HLPF 2025 will convene under the theme ¡°Advancing sustainable, inclusive, science- and evidence-based solutions for the 2030 Agenda for Sustainable Development and its Sustainable Development Goals for leaving no one behind¡± and will review Goal 14 on Life Below Water, along with Goals 3, 5, 8, and 17.

International Day of Combating Sand and Dust Storms

Sand and dust storms originate from natural sources like deserts, dry lake beds, and coastal regions with loose sediment, but they can be exacerbated by human activities like construction and agriculture that strip vegetation and expose soil to wind erosion. Climate change amplifies the occurrence of sand and dust storms by altering weather patterns and reducing vegetation cover, putting lives and livelihoods at risk. Early warning systems are key to reducing the impacts of these storms.

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4th International Conference on Financing for Development

The 4th International Conference on Financing for Development aspires to build a renewed global financing framework that will unlock greater volumes of capital at a lower cost, building on previous financing agreements. The draft outcome calls for actions to deliver an impact-focused SDG investment push and to reform the international financial architecture to enable the transformative change that the world urgently needs.

Strengthening Information Integrity on Climate Change

The roundtable ¡°Strengthening Information Integrity on Climate Change¡±, taking place at the 2025 Internet Governance Forum, will explore robust, evidence-based advocacy and communication strategies to increase resilience to climate information risks.

Sustainable Gastronomy Day

Understanding the impact the food we eat has on the planet is both an area for awareness and an important opportunity for mitigating climate change. Find out about how you can make choices that are good for you and the planet.

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World Day to Combat Desertification and Drought

Healthy soils absorb and store significant amounts of carbon dioxide from the atmosphere, but climate change is compromising them. In many parts of the world, droughts are becoming longer, more frequent and intense, severely impacting health, agriculture, economies, energy and the environment. Investing in drought resilience and land restoration is critical to protecting lives and livelihoods. Learn why land is critical to combating climate change.

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2025 UN Ocean Conference

The 2025 UN Ocean Conference, co-hosted by France and Costa Rica, will focus on accelerating action and mobilizing all actors to conserve and sustainably use the ocean. It will bring together governments, intergovernmental organizations, academic institutions, scientists, the private sector, Indigenous Peoples, among others, to assess challenges, opportunities and actions around SDG 14. Find out why we need to safeguard the ocean as our best ally against climate change.

The high-level 2025 United Nations Conference to Support the Implementation of Sustainable Development Goal 14: Conserve and sustainably use the oceans, seas and marine resources for sustainable development (the 2025 UN Ocean Conference) will be co-hosted by France and Costa Rica and held in Nice, France, from 9 ¨C 13 June 2025.

World Oceans Day

The ocean generates 50 per cent of the oxygen we need, absorbs 25 per cent of all carbon dioxide emissions and captures 90 per cent of the excess heat generated by these emissions. But human-induced climate change is depleting this vital resource. We can no longer take the ocean for granted if we want future generations to have the chance to revel in its , instead of wondering what¡¯s been lost. Read more about how climate change is impacting the ocean.

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World Environment Day

Plastic pollution permeates every corner of the planet, damaging soil, poisoning groundwater and harming living creatures. World Environment Day 2025 calls for collective action to tackle plastic pollution. It comes exactly two months before countries meet again to continue negotiating a global treaty to end plastic pollution ¨C tackling the full life cycle of plastics, from production to use and waste management. Learn more about how plastics impact our planet.

World Bicycle Day

Everyone can help limit climate change. From the way we travel, to the electricity we use, the food we eat, and the things we buy, we can make a difference. The world¡¯s roadways are clogged with vehicles, most of them burning diesel or gasoline. Walking or riding a bike instead of driving will reduce greenhouse gas emissions ¡ª and help your health and fitness.

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