Climate Action

Science, Solutions, Solidarity

For a livable planet 

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A moment for bold climate action

At the Special High-Level Event on Climate Action hosted by the UN Secretary-General, close to 100 countries — including nearly 40 Heads of State and Government — announced, committed to finalizing, or set out their commitment to implementing their new climate targets ahead of COP30 this November.

An illustration showing a grid with brightly-colored squares, some of which feature black-and-white photographs of the new Youth Action Group on Climate Change cohort

Meet the new Youth Advisory Group!

A new cohort of young climate leaders have just begun their term as the UN Secretary-General’s Youth Advisory Group on Climate Change. Meet the 14 changemakers here!

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Local leaders driving change

The Local Leaders series features mayors, governors, and others making cities and regions future-ready, showcasing how communities benefit from initiatives addressing the climate crisis.

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For information integrity

Brazil, UNESCO and the UN have joined forces to strengthen research to counter narratives that are delaying and derailing urgently needed climate action.

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Facts on climate and energy

Climate change is a hot topic. Read up on some essential facts. Share them, use them and talk about them to help build support for urgent action.

The clean energy future is no longer a promise. It’s a fact.

ANTÓNIO GUTERRES, United Nations Secretary-General (22 July 2025)
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Watch, Listen and Share

New national climate plans unveiled at UN Climate Summit

 

From accelerating the move to clean energy to planting acres of trees, leaders from nearly 100 countries announced or reiterated new national climate action plans, during the high-level week of the UN General Assembly.

Turning to an old friend: How mangroves protect Colombian towns

For the inhabitants of Cuerval, a village in Colombia’s remote Pacific coast, mangroves are a shield against sea and storms and a source of food and shelter. As this vital ecosystem becomes more vulnerable to climate change, an initiative is helping restore mangrove forests, combining ancestral practices and modern technology.

Meet the 2025 Young Champions Champions of the Earth

Three environmental entrepreneurs from India, Kenya and the U.S. have been recognized as the 2025 Young Champions of the Earth. Learn about their groundbreaking contributions to a circular economy, from expanding access to clean water and tackling plastic pollution to creating sustainable alternatives to conventional materials.

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Climate issues

What do food, health, water or energy have to do with climate change?

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National climate plans

What are Nationally Determined Contributions, and why do they matter?

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Powering a safer future

Why shift to renewables like wind and solar? Find out here.

Latest News

New national climate plans unveiled at high-level summit ahead of COP30 conference

From accelerating the move to clean energy to planting acres of trees, leaders from nearly 100 countries announced or reiterated new national climate action plans, during the high-level week of the UN General Assembly.

How are Caribbean countries advancing their climate goals?

Caribbean countries are responsible for only one per cent of global greenhouse gas emissions, but they are on the frontline of climate change, facing impacts such as rising sea levels and coastal erosion. Find out how seven Caribbean nations are implementing climate solutions to mitigate and adapt to climate change.

How Spain is turning an iconic lagoon from “green soup” into a natural oasis

Mar Menor lagoon in southern Spain – once a vibrant seaside gem – has suffered repeated mass die-offs of fish and vegetation due to pollution. Pushed by public outcry, the government is now implementing a restoration framework to address the causes of the lagoon’s decline and reverse its degradation.

Events

World Habitat Day

This year’s World Habitat Day is devoted to addressing multiple crises that affect urban areas — including the climate crisis — and highlighting effective responses. Learn how cities around the world are addressing climate change impacts here.

International Day for Disaster Risk Reduction

Climate change is causing more frequent, intense and costly disasters, severely impacting nature and people. Investments in disaster risk reduction are key, but remain too low in national budgets and international assistance. This year’s International Day for Disaster Risk Reduction calls for a decisive shift: fund resilience now to avoid paying for disasters later.

World Food Day

The food we eat, and the way it is produced, affects our health and the environment. World Food Day calls for global collaboration across governments, organizations, sectors, and communities to transform agrifood systems and ensure everyone has access to a healthy diet, living in harmony with the planet. Learn more about the links between food and climate change here.

 

Climate action starting now

Everyone has a role in climate action. At the United Nations, we are calling on people everywhere to work together to solve climate challenges and realize the commitments of the 2015 Paris Agreement. This website keeps up with actions taken by governments, businesses, civil society, youth and more in every part of the world.

It’s our planet, and while we know it is in crisis, we also know that solutions are in reach. Progress is already well underway, from more green energy to more secure food supplies. And the benefits are clear as well, such as green jobs, clean air and sounder economies. A more sustainable, prosperous world is in reach. Join us in taking action to claim it, starting now.

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