Important Days 03 November 2026
International Day for Biosphere Reserves 2026: Promoting Sustainable Coexistence Between People and Nature
Why in the News?
The **International Day for Biosphere Reserves** is observed annually on **November 3** to highlight how people and nature can live together in a sustainable and harmonious way.
Key Features / Major Points:
- Origin:
- Proclaimed by UNESCO’s General Conference during its 41st session in 2021.
- Global Network (2026 Status):
- The UNESCO World Network of Biosphere Reserves encompasses **797 sites across 145 countries**, covering approx. 7.5 million square kilometers.
- On World Environment Day (June 5, 2026), UNESCO added 14 new sites, including first-time designations for Montenegro, Timor-Leste, and Aruba, alongside Québec City as an urban biosphere reserve.
- India's Status:
- India hosts **18 national biosphere reserves**, out of which **13 belong to UNESCO's World Network**.
- The most recent addition is the **Cold Desert** biosphere reserve in Himachal Pradesh.
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Three Core Zones of a Biosphere Reserve:
1. **Core Area:** Strictly protected zone dedicated to conserving biodiversity, ecosystems, and genetic variation.
2. **Buffer Zone:** Surrounding the core; permits compatible activities such as environmental research, education, and ecological monitoring.
3. **Transition Area:** The outer boundary where local communities live, work, and promote sustainable economic development.
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Static GK Facts:
- Man and the Biosphere (MAB) Programme:
- Launched by UNESCO in **1971** as an intergovernmental scientific program.
- India's First Biosphere Reserve:
- **Nilgiri Biosphere Reserve**, established in 1986 (spanning Tamil Nadu, Kerala, and Karnataka).
One-Liner Quiz (All Competitive Exams):
Q: When is the International Day for Biosphere Reserves observed globally every year?
A: November 3
Q: How many total national biosphere reserves are located in India?
A: 18 (with 13 in UNESCO's World Network)
Q: Which is the latest biosphere reserve added to India's network in Himachal Pradesh?
A: Cold Desert Biosphere Reserve
Q: In which year did UNESCO launch the 'Man and the Biosphere' (MAB) Programme?
A: 1971
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