International Day for Biosphere Reserves Nov 3, 2024

International Day for Biosphere Reserves

Today is the International Day for Biosphere Reserves. Biosphere reserves may sound like a scientific mouthful, but they"re essentially nature"s sweet spots—places where biodiversity, or variety of life on Earth, thrives. These areas, recognised by UNESCO, keep ecosystems healthy, protect endangered species and help regulate climate through forests, wetlands and other crucial habitats. There are 759 biosphere reserves across 136 countries. From the lush greenery of Sundarbans in India to the vast expanses of the Great Sandy Biosphere Reserve in Australia, each reserve is unique.

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Today in History

An experiment in sustainability
Nov 3, 2023Pacific sea nettles off the coast of Carmel, California, USA
Nov 3, 2025Jellyfish swimming in the Pacific, Guerrero, Mexico

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Oct 13, 2024Royal Alcázar of Seville, Spain
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Nov 25, 2025Trevi Fountain, Rome, Italy
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Jan 18, 2025Dunes at White Sands National Park, New Mexico, United States
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Nov 16, 2025A traboule in Lyon, France
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Oct 10, 2025Fiji Day
Feb 22, 2026Mam Tor, Derbyshire, England
Apr 2, 2026Wildflower bloom, Central Valley, California, United States
Nov 4, 2025Tower Bridge, London, England
Dec 20, 2024Santa Claus Village in Rovaniemi, Lapland, Finland
Misty mountain hop
Oct 17, 2024Kochia, Hitachi, Ibaraki Prefecture, Japan
Oct 5, 2025Jahangir Mahal, Orchha, Madhya Pradesh
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Sep 28, 2024Gulf Islands National Seashore, Florida, USA
World Hippo Day, a giant celebration
Aug 31, 2023Saguaro cacti, Ironwood Forest National Monument, Arizona