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UNESCO Expands Biosphere Reserves, Aiding 300 Million Globally

9/29/2025

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Summary

Story summary

UNESCO announced the largest biosphere reserve expansion in two decades, adding 26 reserves across 21 countries at Hangzhou.
São Tomé and Príncipe becomes the first country to receive a biosphere reserve designation, marking a milestone.
The reserves span over 8 million square kilometers, benefiting about 300 million people worldwide, and over 60% of reserves face climate-change impacts.

History

Historical Context

Established in 1971, UNESCO's Man and the Biosphere Programme aims to promote sustainable development through biodiversity conservation. By 2023, over 700 biosphere reserves, including São Tomé and Príncipe, protect 8 million square kilometers. This expansion highlights the urgent need for international cooperation in environmental protection, as over 60% of existing reserves face threats, impacting approximately 300 million people globally.

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Story summary

UNESCO announced the largest biosphere reserve expansion in two decades, adding 26 reserves across 21 countries at Hangzhou.
São Tomé and Príncipe becomes the first country to receive a biosphere reserve designation, marking a milestone.
The reserves span over 8 million square kilometers, benefiting about 300 million people worldwide, and over 60% of reserves face climate-change impacts.

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