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.

© Claudio Contreras/Minden Pictures

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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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Jun 19, 2025Masai giraffe mother grooming her calf in the Serengeti, Tanzania
Jan 8, 2024Bernina Pass, Graubunden, Switzerland
Aug 9, 2024Hang Sơn Đoòng, Phong Nha-Kẻ Bàng National Park, Vietnam
A large forest with 6,000 of years of history
The rivers run through us
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Apr 27, 2024Leucistic Annas Hummingbird
Dragon tails trail to the sea
Staying in the loop
Feb 24, 2025Giant cuttlefish, Whyalla, South Australia, Australia
A mountaintop cultural wonder
Go fly a kite!
Nov 11, 2025Externsteine in the Teutoburg Forest, Germany
A triumphant pose
Nov 15, 2024Yi Peng lantern festival, Chiang Mai, Thailand
Aug 2, 2024Virgin Islands National Park, Saint John, United States
The picturesque Mughal architecture
Nov 14, 2023Russell lupines, Lake Tekapo, New Zealand
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Our forgotten forests
Mar 28, 2025Black-naped monarch
The pillar of democracy
Dec 8, 2023La Rocque Harbour, Island of Jersey
Underwater underground
Love is in the snow
Apr 19, 2024Ring of Brodgar, Orkney, Scotland