Awareness Environment
International Day for Biosphere Reserves
A UNESCO day on 3 November that highlights biosphere reserves, places where people and nature are managed together sustainably.
- UK
- USA
- Ireland (not marked)
- Canada (not marked)
- Australia (not marked)
- New Zealand (not marked)
- International
OrganiserUNESCO
ListingAdded by us from official sources
Last checked19 October 2026
First held2021
About the day
UNESCO's General Conference proclaimed the International Day for Biosphere Reserves at its 41st session in 2021. It promotes the world network of biosphere reserves under UNESCO's Man and the Biosphere programme.
Dates for the next three years
| Year | Date | Where | Status |
|---|---|---|---|
| 2026 | Tuesday 3 November 2026 | UK, USA, International | Same date every year |
| 2027 | Wednesday 3 November 2027 | UK, USA, International | Same date every year |
| 2028 | Friday 3 November 2028 | UK, USA, International | Same date every year |
Where this information comes from
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