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 October 2026
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World Vegetarian Day
Spotlight on plant-based eating.
Circularity & consumption International -
World Animal Day
World Animal Day, for the welfare of all animals.
Nature & ecology International -
Sustainability Week begins (NL)
A week full of sustainable initiatives across the Netherlands.
Climate & energy Netherlands Approximate date -
World Habitat Day
UN day on housing and sustainable cities.
Social Impact International -
World Mental Health Day
Spotlight on mental health, including at work.
Social Impact International -
World Migratory Bird Day (fall)
The second migratory bird day, during the fall migration.
Nature & ecology International -
International Day for Disaster Risk Reduction
UN day on disaster preparedness and climate risks.
Climate & energy International -
World Food Day
FAO day against hunger and for sustainable agriculture.
Social Impact International -
International Day for the Eradication of Poverty
UN day against poverty.
Social Impact International -
International Day of Climate Action
Worldwide day of action for the climate.
Climate & energy International -
Night of the Night (NL)
Lights out for darkness, stars and nocturnal animals.
Nature & ecology Netherlands -
World Cities Day
UN day on sustainable and livable cities.
Social Impact International
Days marked approximate date are set each year by the organizer. Missing a day? Let us know.