Graphic for World Environment Day. A green Earth sits on a blue background surrounded by leaves and birds and people taking care of the planet. A white banner across the globe reads ‘June 5’
Mei | Better World Info

World Environment Day - June 5

Guide to the UNEP day promoting action to protect our planet. Events will be held in Baku, and the theme for 2026 is climate change. Explore celebrations, high-level discussions, and individual actions.

Graphic for World Environment Day. A green Earth sits on a blue background surrounded by leaves and birds and people taking care of the planet. A white banner across the globe reads ‘June 5’
Mei | Better World Info

➡️ WORLD ENVIRONMENT DAY, June 5 - #NowForClimate

World Environment Day is an annual event created by the United Nations in 1974 to foster global awareness and promote political action to protect nature and our environment.

This day of collective action also offers individuals, communities, and governments an opportunity to come together and engage in activities that promote the well-being of our planet, such as tree planting, clean-up campaigns, and recycling drives. Now one of the largest global platforms for environmental outreach, it has evolved into an important driver for real, impactful action.

The theme for 2026 is climate change.

The planet doesn’t argue. It doesn’t negotiate. It sends signals—rising seas, raging wildfires, heatwaves, melting glaciers. We said 1.5°C was the limit. We are crossing it” - UNEP.

This year, Baku, Azerbaijan, will host the main events, bringing together international climate leaders, government officials, partners, and environmental champions for high-level discussions and an outdoor exhibition open to the public.

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Infographic showing the projected increase in climate disasters for those born in 2020 compared to 1960, highlighting various types and their frequency.
Statista | CC BY-ND 4.0

This World Environment Day serves as a rallying call to protect and restore our precious ecosystems. We are on the cusp of passing a tipping point where damage becomes irreversible.

At least 85% of the planet's population is now directly affected by climate change, including altered weather patterns, extreme heat, and severe drought. Approximately 40%, more than 3 billion people, are classed as highly vulnerable.

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The State Of Our Planet

  • There is a 75% probability that the globe will breach the critical 1.5°C threshold set by the Paris Agreement between 2026 and 2030.
  • Global emissions must be halved by 2030 to prevent catastrophic, irreversible climate disruptions. Current national climate plans (NDCs) are projected to reduce emissions by just 2.6% by 2030.
  • Globally, 2024 was the warmest year on record since 1850.
  • According to an Oxford University Study, nearly half the global population will face extreme heat by 2050 if warming reaches 2.0°C.
  • Humans have now significantly modified 70% of the Earth's land surface through the expansion of infrastructure and agricultural systems. Arable lands and livestock grazing now cover one-third of Earth’s land surface and are responsible for the consumption of three-quarters of the world’s freshwater resources.
  • Large-scale land transformation and habitat loss have also created a biodiversity crisis. Global wildlife populations have declined by 69% in the last 50 years.
  • Studies indicate humanity's resource demands are so high that they are pushing the planet past its biocapacity. Earth Overshoot Day in 2025 was July 24th.
  • Exposure to air pollution above safe guidelines is projected to increase by 50% within the decade.
  • Global plastic production exceeds 460 million tonnes annually. This is projected to triple by 2040. Less than 10% of all plastic ever produced has been recycled, with 19 to 23 million tonnes entering marine ecosystems every year.

Many children are gathered at a climate strike, they hold large signs which say 'I want my future back' and 'It's our future'
Flickr | MN Senate DFL

It’s Not Too Late for the Environment

We are the generation that can make peace with the land. We are in a crucial window to prevent the worst and most catastrophic cascading effects of climate change.

We must commit to growing forests, reviving water sources, rewilding vast areas of land, bringing soils back from the brink, and promoting sustainable land management practices.

Ecosystem restoration supports many of the SDGs and is closely linked to other serious planetary issues such as water scarcity, air pollution and the plastics crisis.

High-level policy change is essential to prevent our planet from crossing further tipping points. Protests, campaigns, and informed voting put pressure on politicians to take decisive action on important environmental issues.

As individuals we can take part in World Environment of Day by participating in local clean-ups in parks, beaches, and neighbourhoods, planting trees, rewilding our garden spaces, reducing our consumption of plastic, donating to environmental organisations, making greener choices in our everyday lives, following our excellent environment Twitter list.

Small actions together make a huge impact. We have a collective responsibility to safeguard our planet for future generations.

We are Generation Restoration. Together, let’s build a sustainable future for land, and for humanity” - UN Secretary-General António Guterres.

Author: Rachael Mellor, 05.06.24 (Updated 28.05.26) licensed under CC BY-SA 4.0

For further reading on World Environment Day see below ⬇️