Science, Solutions, Solidarity

For a livable planet 

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Seizing the Moment of Opportunity

On 22 July 2025, the UN Secretary-General delivered a special address on why the transition to renewable energy is inevitable and beneficial for people, planet and economies. A new technical report details the state of play and economic opportunities of the clean energy transition.

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Ethical dialogues

Launched by Brazil and the UN, the Global Ethical Stocktake brings together diverse voices to reflect on the ethical dimensions of climate negotiations ahead of COP30.

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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

How air pollution affects our brain

 

Air pollution causes 7 million deaths a year and can be linked to dementia, depression, pregnancy complications and developmental issues in children. But cities like Beijing and Bogotá show that strong policies can improve air quality.

This is why the heat won't leave

Europe and the U.S. recently endured an extreme heat dome, an event that’s becoming longer and more intense due to climate change. Now is the time to prepare, adapt, and push for bold climate action before the next heat dome hits.

As storms intensify, Mozambique bets on mangroves for climate protection

In southern Mozambique, where nearly 60 per cent of mangroves have vanished since 2000, local women are leading a powerful restoration effort, reviving coastal forests that shield communities from extreme weather. As tropical storms worsen, these nature-based solutions are protecting coastlines, and shaping adaptation and biodiversity policies.

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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

Events

 

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