World Environment Day is the United Nations’ flagship day for encouraging worldwide action to protect the natural world. It is marked each year on 5 June, falling on 5 June 2026.
When is World Environment Day?
World Environment Day falls in June (June 5). It is one of the many UK awareness days that bring people together around a shared cause — see the full calendar.
Why World Environment Day matters
Our environment faces mounting pressure from pollution, habitat loss and climate change. This global day turns concern into collective action to safeguard the planet for future generations. Explore environment volunteering.
How to get involved in World Environment Day
There are three simple ways to make World Environment Day count:
- Volunteer — join a local litter pick, beach clean, tree-planting day or habitat restoration project. Browse opportunities.
- Fundraise — fundraise for a conservation or environmental charity through a sponsored green challenge.
- Raise awareness — share simple ways to cut waste and protect nature, and call for stronger environmental action.
World Environment Day volunteering opportunities
Mark World Environment Day by doing something real. Find volunteering opportunities and start today.
Get involved with World Environment Day
Browse live opportunities, log your hours, and earn verified badges you can add to your CV and LinkedIn. Find volunteering roles or see more awareness days.
Other June Dates
BNF Healthy Eating Week
June 9-13
Breathe Easy Week
June 17
Carers Week
June 2-6
Cervical Screening Awareness Week
June
Clean Air Day
June
Diabetes Week
June 14-20
Learning Disability Week
June 16-22
Loneliness Awareness Week
Mid-June
Men's Health Week
June 9-15
UK Windrush Day
June 22
World Blood Donor Day
June 14
Get involved with World Environment Day
Browse opportunities and start making a verified impact today.