1972
A global environmental conference
The Stockholm Conference helped place environmental issues firmly on the international agenda.
EnvironmentFeatured day
World Environment Day
The leading global day for environmental awareness and practical action.
Special daysJune 5
About this day
The story and meaning
World Environment Day brings people together around urgent environmental challenges and achievable action.
Start where you are
Restore a small habitat, reduce waste, join a local project, or learn how environmental change affects your own community.
History
Timeline
Important moments that shaped the day and its place in the calendar.
1974
The first celebration
The first World Environment Day was held with a focus on the idea of one shared Earth.
Questions
Frequently asked questions
Helpful answers about the date, meaning, and observance.
When is World Environment Day?
World Environment Day is observed every year on June 5.
How can I take part?
Choose a practical local action such as reducing waste, restoring habitat, learning, or volunteering.