Sustainability calendar
All awareness days on sustainability, climate, nature, ecology, society and nonprofits in one calendar. Handy for planning your content, campaigns and events.
Awareness days in March 2027
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Zero Discrimination Day
UN day against discrimination in all its forms.
Social Impact International -
World Wildlife Day
UN day for wild animals and plants.
Nature & ecology International -
International Women's Day
A day for women's rights and gender equality.
Social Impact International -
National Tree Day (NL)
Elementary school students plant trees in their town.
Nature & ecology Netherlands Approximate date -
International Day of Action for Rivers
Day of action for free-flowing, healthy rivers.
Nature & ecology International -
Global Recycling Day
Spotlight on recycling as the resource of the future.
Circularity & consumption International -
International Day of Happiness
UN day on well-being as a policy goal.
Social Impact International -
National Cleanup Day (NL)
Nederland Schoon calls on everyone to pick up litter together.
Circularity & consumption Netherlands Approximate date -
World Sparrow Day
Spotlight on the house sparrow and other urban birds.
Nature & ecology International -
International Day for the Elimination of Racial Discrimination
UN day for ending racial discrimination.
Social Impact International -
International Day of Forests
UN day for forests and trees.
Nature & ecology International -
World Day for Glaciers
UN day on melting glaciers and fresh water.
Climate & energy International -
World Water Day
UN day on clean and accessible water.
Nature & ecology International -
World Meteorological Day
A day for weather, climate and early warning systems.
Climate & energy International -
Earth Hour
Lights off for one hour for nature and the climate (WWF).
Climate & energy International -
International Day of Zero Waste
UN day against waste and for zero-waste living.
Circularity & consumption International
Days marked approximate date are set each year by the organizer. Missing a day? Let us know.