International Day for Biosphere Reserves Nov 3, 2024

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 4, 2023World Space Week
Jul 19, 2025Luna moth in New Braunfels, Texas, United States
Apr 25, 2024Adélie penguins
Sep 5, 2023Mount Segla, Senja Island, Norway
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May 14, 2025Porto Flavia, Sulcis-Iglesiente, Sardinia, Italy
Nov 7, 2025Polar bear in Churchill, Manitoba, Canada
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Aug 6, 2024Molokini crater, Maui, Hawaii, USA
Aug 24, 2023Shark Fin Cove, California, USA
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Jun 24, 2024Kelimutu, Flores, Indonesia
Jul 13, 2025International Rock Day
Nov 3, 2025Jellyfish swimming in the Pacific, Guerrero, Mexico
Mar 15, 2024Anza-Borrego Desert State Park, California, USA
Oct 12, 2023Old barn and canola field, Palouse region, Idaho
Jan 28, 2025Short-eared owl
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Nov 24, 2025Gwalior Fort, Madhya Pradesh
Jul 5, 2025Tour de France
May 5, 2025Dunluce Castle, County Antrim, Northern Ireland
Jul 27, 2025Barracudas at Shark Reef, Ras Mohammed National Park, Sinai Peninsula, Egypt
Sep 12, 2023North Sea at sunset, Norddorf, Germany