International Day for Biosphere Reserves 3 Nov 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.

© Claudio Contreras/Minden Pictures

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Today in History

Living in harmony
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3 Nov 2025World Jellyfish Day

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19 Oct 2025Apples ready for harvest, Minnesota, United States
21 Nov 2024Lion cubs, South Africa
7 Jan 2024Great Staple Tor, Dartmoor National Park
5 Apr 2025Grand National
12 Dec 2023Reed bunting
An endless stretch of sky
28 Nov 2023Giving Tuesday
8 Oct 2025World Octopus Day
26 Jul 2025International Day for the Conservation of the Mangrove Ecosystem
20 May 2026World Bee Day
Celebrating an American Icon
7 Apr 2024International Beaver Day
Cool bloomers
Underwater underground
28 Nov 2024City Hall, London, England
5 Aug 2024Hertfordshire, England
20 Jun 2024Summer solstice
6 Apr 2026Castle Day Japan
26 Jan 2025European beech forest, Belgium
11 Aug 2025Village of Santa Maddalena, Dolomites, Italy
9 Apr 2025Naxos, Cyclades, Greece
5 Mar 2024Bangkok, Thailand
18 May 2024International Museum Day
3 Jan 2025Happy Birthday, JRR Tolkien!
23 Nov 2025Fibonacci Day
A chocolate lovers favourite fruit
10 Dec 2025Mosque-Cathedral of Córdoba, Andalusia, Spain
An underwater paradise
Babbling on and on
3 Sep 2024Alpine Lakes Wilderness, Washington, USA