International Day of the Tropics Jun 29, 2025

International Day of the Tropics

Every June 29, the International Day of the Tropics shines a light on the equator-hugging zone where the sun sticks around, and climate conversations get real. The tropics span a broad region between the Tropic of Cancer and the Tropic of Capricorn, including parts of Asia, Africa, Oceania, Central America and South America. Nearly 40% of the global population lives in this band, which also hosts 80% of the world"s biodiversity. It"s rich in culture, nature and history—but also under pressure from rising temperatures, deforestation and fast-paced urban growth.

© fabio lamanna/Alamy Stock Photo

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Today in History

Celebrating the tropics
In the tropics, land greets sea warmly
Jun 29, 2024Tour de France 2024

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An iridescent view
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Aug 2, 2024Virgin Islands National Park, Saint John, United States
Gravity-defying wonders of the world
Say hello to these halophytes!
Jan 4, 2024Golden Gate Bridge, San Francisco, California
Celebrating our looming lunar neighbour
Apr 17, 2026International Bat Appreciation Day
Oct 25, 2024Golden Temple, Amritsar
‘Night shining’ clouds
Apr 16, 2026Skagit Valley Tulip Festival
Jul 9, 2024Talampaya National Park, Argentina
Jan 29, 2025Chinese New Year
Like sands through the hourglass
One giant leap for mankind
Oct 9, 2024Aspens near Marble, Colorado, USA
Jul 17, 2024Rothenburg ob der Tauber, Bavaria, Germany
Apr 15, 2026World Art Day
Dec 11, 2024International Mountain Day
Stealthy pollinators
Apr 18, 2026World Heritage Day
Oct 21, 2024Cypress trees in George L. Smith State Park, Georgia, United States
A city so nice they made it twice
Sep 13, 2024Point Reyes National Seashore, California, USA
Aug 31, 2025Scotts Bluff National Monument, Nebraska, United States