Climate Action

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Science, Solutions, Solidarity

For a livable future

Selwin Hart: Financing adaptation is an issue of justice and an economic imperative

As the Special Adviser to the UN Secretary-General on Climate Action, Selwin Hart spearheads a global drive to raise climate ambition now. In this interview, he talks about the critical need for developed countries to finance climate adaptation to save lives and protect livelihoods in countries facing the worst consequences from climate.

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Paris targets at risk

Heat-trapping greenhouse gases reached a new record last year, according to a new report. Despite a temporary decline, the pandemic-related slowdown had no discernible impact on growth rates of emissions. Half of carbon emissions are reabsorbed by oceans and land, but these may be less effective “sinks” in the future.

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COP26: It’s (almost) here

The latest round of global climate talks will take place from 31 October to 12 November 2021 in Glasgow, United Kingdom. Thousands of government delegates and people from civil society, business and the media will gather to advance climate action. The world will be watching and demanding that national leaders rise to the moment, given the mounting climate crisis.

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Country action plans fall short

The latest synthesis of national climate plans confirms emissions targets are not yet ambitious enough. Without a significant course correction, the world will shoot towards a catastrophic 2.7C temperature rise.

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G20 youth demand climate action

A new poll in G20 countries found large majorities of people under 18 believe the climate emergency requires action now. Accounting for 75 per cent of global emissions, the G20 will determine if temperature rise tops out at 1.5C.

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"Everyone must to do their job. Developed countries and emerging economies must contribute.”

Secretary-General Portrait

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United Nations Chief sees climate impacts ahead of COP26

Secretary-General António Guterres saw first-hand the impacts of climate change in Barbados.

Sunita Narain: Industry and a livable planet

We need industry to make things. We also need a livable planet. Leading Indian environmentalist Sunita Narain explains how we can have both.





No Denying It 9: Erin McGoff introduces Lefteris Arapakis

Lefteris hauls in a bountiful catch every day - of plastic pollution. He is the co-founder of Enaleia, Greece’s first fishing school, and a program to train and incentivise fishermen to collect plastic from the sea.



Posters for climate action



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What is climate change?

Our climate 101 offers a quick take on the how and why of climate change.

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Climate action fast facts

Explore how climate intersects with issues from food to energy to jobs.

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Climate leaders

Interviews capture the latest thinking on climate talks, science and action.

Latest News

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Business leaders join UN chief to step up action for sustainability

Business leaders joined UN Secretary-General António Guterres on Tuesday, to step up delivery of critical investment, for a ‘sustainable, net zero, resilient and equitable world’. Read more

UNESCO ‘eDNA’ initiative to ‘unlock' knowledge for biodiversity protection

To understand the richness of biodiversity across World Heritage marine sites, the UN scientific organization launched on Monday a project to protect and preserve biodiversity, based on the study of environmental DNA - cellular material released from living things into their surroundings. Read more

From the Field: Eating our way to a healthier planet

The UN Food Systems Summit demonstrated the huge imbalances in the way we grow, produce, and consume food. But, as the UN Development Programme (UNDP) shows, we can farm and eat in a sustainable way that is good for us, and the planet. Read more



The latest round of global climate talks will convene thousands of government delegates and people from civil society, business and the media to advance climate action. Learn more.


Youth will convene before COP26 at the Conference of Youth, the world’s largest and longest running youth event. It’s a chance to exchange ideas and take part in creating a youth statement to feed into government talks. Learn more

Delivering Climate Action – for People, for Planet & for Prosperity.

This high-level meeting of the General Assembly will focus on closing the gap between current and required technical and financial capacities to achieve the 1.5 degrees target. Learn more.

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.