Important Days

International Day for Biosphere Reserves 2026 - November 03

November 5 , 2026 12 hrs 0 min 29 0

The day aims to highlight biodiversity conservation and sustainable development.
It was proclaimed by UNESCO in November 2021 and first observed on 3 November 2022.
Biosphere reserves are recognised under UNESCO’s Man and the Biosphere (MAB) Programme, launched in 1971.
India has 18 notified biosphere reserves, of which 13 are recognised by UNESCO. Cold Desert Biosphere Reserve (Himachal Pradesh) was the latest addition in 2025.
The World Network of Biosphere Reserves (WNBR) has 797 reserves across 145 countries (as of 2026).