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International Day of Potato

The humble potato is much more than just a delicious and versatile vegetable: it is central to ending hunger and malnutrition. The inaugural International Day of Potato is intended as a celebration of this climate-friendly crop that is the staple food of two-thirds of households globally, promoting food security and generating income. Learn more about the connection between food and our climate here.

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2024 Conference on Small Island Developing States (SIDS4)

Small Island Developing States (SIDS) are a group of countries that share similar social, economic, and environmental challenges and are particularly vulnerable to climate change. The fourth International Conference on Small Island Developing States (SIDS4) will take stock of their trajectory towards sustainable development and prosperity. Learn more about SIDS and Climate here.

World Bee Day

Our food security, nutrition and the health of our environment depend on bees and pollinators. They play a major role in maintaining biodiversity, ensuring the survival of many plants, supporting forest regeneration, promoting sustainability and adaptation to climate change.

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International Day of Plant Health

Both our health and the health of our planet depend on plants.They are the source of the air we breathe, most of the food we eat and natural protectors of the environment. Climate change is impacting biodiversity and altering ecosystems, creating new niches where plant pests and diseases can thrive.

International Day of Multilateralism and Diplomacy for Peace

Multilateralism is crucial for tackling complex global challenges like climate change and has led to major milestones, such as the adoption of the Paris Agreement. Now more than ever, the world must come together around real, practical and meaningful climate solutions that match the scale of the climate crisis.

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International Mother Earth Day

From extreme heat and rising sea levels to biodiversity loss and pollution, Mother Earth is in peril and making a clear call to all of us to take urgent climate action. This Earth Day, speak up and take action to influence change and help save our planet with the UN's ActNow campaign!

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The twenty-third session of the UN Permanent Forum on Indigenous Issues

Indigenous Peoples have long lived in harmony with nature. They hold many of the solutions to the world¡¯s climate and biodiversity crises. We must scale-up efforts to deliver climate justice and finance and better recognise and learn from the wisdom, knowledge, and leadership of indigenous peoples.

Sustainability Week

The inaugural ¡°Sustainability Week¡± convened by the President of the UN General Assembly from 15 to 19 April 2024 will focus on the nuts and bolts of delivering sector-by-sector progress on the Sustainable Development Goals, particularly on infrastructure, sustainable transport, tourism, connectivity, energy, debt sustainability and socio-economic equality.

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World Health Day

Climate change is one of the greatest threats to human health, but the solutions are known. Reducing greenhouse gas emissions by phasing out fossil fuels and investing in sustainable transport, food and energy solutions will improve human health and save millions of lives. Learn more about climate change and health here.

International Day of Sport for Development and Peace

With billions of participants, facilitators, and spectators around the world, sport has the potential to play a key role in raising awareness and influencing behaviours for meaningful climate action. Recognizing the power and universality of sport, the International Day is an opportunity to mobilize athletes, fans and clubs to drive change and positively impact people¡¯s lives.

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International Day of Zero Waste

Waste of all kinds contributes to the triple planetary crisis of climate change, biodiversity loss, and pollution. But options exist for living more sustainably. We can make choices that have less harmful effects on the environment. On the International Day of Zero Waste, learn about what you can do to take action for the planet.

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International Day of Zero Waste

Waste of all kinds contributes to the triple planetary crisis of climate change, biodiversity loss, and pollution. But options exist for living more sustainably. We can make choices that have less harmful effects on the environment. On the International Day of Zero Waste, learn about what you can do to take action for the planet.

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Earth Hour

Earth Hour brings the world together in a moment of unity to shine a spotlight on the climate crisis and biodiversity loss. The 51³Ô¹Ï is joining the global effort to mark the Biggest Hour for Earth. On 23 March at 8:30 p.m. local time, join WWF, the UN, and other partners in switching off your lights and giving an hour for Earth, turning one hour into thousands and millions of hours of action for our planet.

World Meteorological Day

Climate change is causing more frequent and intense extreme weather events, resulting in widespread adverse impacts and related losses and damages to nature and people. The need for early warning systems is critical to protecting lives and livelihoods, especially to those on the frontlines of the climate crisis. Learn more about early warnings systems and why they are an essential part of adapting to climate change here.

World Water Day

From floods and rising sea levels to wildfires and droughts, climate change and water are deeply connected. The impacts of climate change are intensifying water scarcity, which can lead to social unrest and spark conflict. We must scale up action to enhance management of water resources, not only to combat the climate crisis, but to protect livelihoods and foster peace and security around the world. Learn more about how climate change is intensifying resource scarcity and impacting human security here.

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International Day of Forests

Preserving and restoring forests is essential for achieving the world¡¯s climate goals. Healthy forests act as carbon sinks absorbing millions of tons of carbon dioxide each year, which helps regulate the planet¡¯s temperature. Forests are also critical ecosystems, providing habitats for over half of the world¡¯s land-based species and livelihoods for over one billion people.Learn more about forests, land and climate change here.

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International Women's Day

While the climate crisis affects everyone, women and girls are disproportionately affected, commonly facing higher risks and greater burdens. To ensure a just transition and a truly sustainable future, climate action must be informed by the current reality of gender inequality and prioritize the empowerment of women and girls.

Learn more about how climate change impacts women and girls and why gender equality is key to climate action here.

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World Wildlife Day

Our health as a species depends on having healthy wildlife populations, healthy ecosystems and the biodiversity that allows for a healthy planet. Find out how protecting the world¡¯s biodiversity is essential to combatting the climate crisis here.

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World Seagrass Day

Rising temperatures increase the risk of irreversible loss of marine and coastal ecosystems, such as seagrasses, which play a vital role in mitigating the impacts of climate change. Seagrasses not only provide crucial habitats for marine species, but they also serve as highly efficient carbon sinks, storing up to 18% of the world's oceanic carbon, and act as a protective buffer against floods and storms along coasts. Learn more about why the ocean is our best ally for climate solutions: /en/climatechange/science/climate-issues/ocean".

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The sixth session of the UN Environment Assembly (UNEA-6)

As the world¡¯s top decision-making body on the environment, the UN Environment Assembly (UNEA) aims to help restore harmony between humanity and nature. UNEA-6 focuses on how multilateralism can help tackle the triple planetary crisis of climate change, nature and biodiversity loss, and pollution and waste.