UN Environment Programme

Join the 2026 celebrations by planning and registering your event and activities today.

All submissions will be added to our global map and featured as part of our collective action:
https://www.worldenvironmentday.global/2026/get-involved/register-activity

Energy needs are increasing, yet the sector is already responsible for three-quarters of global greenhouse gas emissions.

Learn how increasing efficiency and transitioning to renewables can drastically cut planet-warming emissions, while providing : https://www.unep.org/topics/energy

Chances are you know the climate is changing, and that means trouble.

But what exactly is driving the climate crisis? How bad are things now, and how much worse could they get?

From rising emissions to melting permafrost and growing economic risks, these seven graphs break down the state of the climate crisis today.

Ahead of on 5 June, explore UNEP’s latest data and why the world needs to act : https://www.unep.org/news-and-stories/story/climate-crisis-explained-seven-graphs

The planet is sending us signals.

Heat. Floods. Drought.

More frequent. More intense.

And yet, humanity is closer to the solutions than ever.

What happens next is in our hands.

June 5 is , and this year is about taking action .

Join us to help accelerate the change already underway: https://www.worldenvironmentday.global/

Nigerien architect Mariam Issoufou is redefining sustainable, climate-resilient buildings across the Sahel.

By combining modern designs with local materials and heritage, her structures are keeping locals cool and prepared for a warming world.

Learn more about this honouree and her vision for architecture as a tool for climate resilience and dignity: https://www.unep.org/news-and-stories/story/nigerien-architect-channelling-past-contemporary-climate-savvy-buildings