Climate Action

Science, Solutions, Solidarity

For a livable planet 

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UN climate conference in Belém, Brazil

“This COP must ignite a decade of acceleration and delivery,” the UN Secretary-General told world leaders at the UN climate conference. Taking place from 6-21 November, COP30 gathers negotiators, scientists, and civil society to advance climate action.

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)
Secretary-General Portrait

Watch, Listen and Share

This is how we track disasters like never before

 

Tracking and understanding disasters can help limit their impact on lives, economies, and ecosystems. Find out how countries can use the Disaster Tracking System (DTS) – a tool that helps monitor disasters more accurately and better inform decision-making.

Leaders gather in the Amazon ahead of COP30

The United Nations will not give up on the 1.5°C goal, UN Secretary-General António Guterres told world leaders gathering in Belém ahead of COP30. Failure to contain global heating amounts to "moral failure and deadly negligence," he added.

How four East African countries are reviving their coasts

Home to 35 per cent of the Indian Ocean's coral reefs, the Northern Mozambique Channel region is restoring nearly 5 million hectares of mangroves, reefs and forests, protecting biodiversity, creating jobs and building climate resilience.

Climate Videos Playlist
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Climate issues

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

Illustration about food, jobs and renewable energy

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

Building climate resilience in Nepal’s mountains and plains

In Nepal, people are witnessing the impacts of climate change firsthand, from melting glaciers to drought-stricken plains. Communities are safeguarding lives and restoring livelihoods through nature-based solutions.

Refugee camps could be uninhabitable by 2050 as extreme weather worsens

At least 117 million people are displaced by conflict and persecution, with the climate crisis worsening their situation. UNHCR warns that extreme weather is forcing more families to flee again, as three in four displaced people now live in high-risk climate zones.

How to expand cooling access to all without spiking emissions

Cooling demand could triple by 2050, nearly doubling emissions. A sustainable pathway could cut them by up to 97 per cent, save trillions in energy costs, and expand life-saving cooling to those most at risk.

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Events

World Cities Day

This year’s World Cities Day showcases how data-driven decision-making, technology, and AI can be used to improve urban life and recover from climate change impacts. From early warning systems to geospatial mapping, digital tools can improve basic services, strengthen urban resilience, and create greener spaces for all.

31 Oct 2025

Global

World Tsunami Awareness Day

Tsunamis threaten human life, disrupt livelihoods, industry, agriculture, gender equality, and critical services such as education and healthcare. Investments in tsunami early warning, evacuation mapping, and risk education are vital to enhance local preparedness and limit impacts. Learn more about early warning systems here.

05 Nov 2025

Global

World Sustainable Transport Day

The transport sector accounts for roughly 15 per cent of total greenhouse gas emissions, making it the fourth largest source of global emissions. Without action, transport-related emissions could grow by up to 65 per cent by 2050. Decarbonizing the transport sector, through measures like electromobility and alternative fuels, is vital to limit global warming. Learn more about transport and climate change here.

26 Nov 2025

Global

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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.

Climate Action Illustrations

Facts and figures

Cutting emissions

Clean energy

Adapting to climate change

Financing climate action

Explainers

International cooperation

Resources