São Tomé and Príncipe Becomes First Nation with Entire Territory Designated as UNESCO Biosphere Reserve
The island nation of São Tomé and Príncipe has made history by becoming the first country to have its entire land and marine territory designated as a UNESCO Biosphere Reserve. Announced on September 27, 2025, this landmark decision by the Man and the Biosphere Programme recognizes the archipelago's rich biodiversity and commitment to sustainable development.