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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23 Oct 2024Madame Sherri Forest, New Hampshire, United States
25 Dec 2023Christmas Day
8 Oct 2024World Octopus Day
One rare streak
9 Jun 2024Bardenas Reales Biosphere Reserve and Natural Park, Navarra, Spain
8 Aug 2025Bristol International Balloon Fiesta
30 Sep 2025Koala in the Great Otway National Park, Australia
Chilling out on an ice floe
16 Nov 2023World Philosophy Day
Flying the flag for Pride
Turtle-y nice day for a swim
Sep 5, 2023Mount Segla, Senja Island, Norway
21 Apr 2025International Dark Sky Week
9 Dec 2023Vermilion Cliffs National Monument, Arizona, USA
Nothing says ‘San Francisco’ quite like...
23 Dec 2023Festivus
Heads together
A painters palette of natures hues
23 Apr 2025Saint Georges Day
Behold the architectural marvel
26 Aug 2024Palmyra Atoll National Wildlife Refuge
15 Feb 2025Kingfisher
5 Jul 2024Noah Beach, Queensland, Australia
An old bridge in a new light
12 Jan 2025Crescent-tail bigeye fish, Great Barrier Reef, Australia
23 Oct 2025International Day of the Snow Leopard
29 Jan 2025Porto, Portugal
Blue as far as the eye can see
28 Sep 2025Town of Pienza in Tuscany, Italy
16 Jul 2025Temple of Philae, Aswan, Egypt