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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Jan. 11, 2025Heri es-Swani in Meknes, Morocco
Out of this world
Feb. 14, 2026Happy Valentines Day!
Dec. 4, 2023Masai Mara National Reserve, Kenya
Black sands in a tropical paradise
Aug. 25, 2024Glacier National Park, Montana, USA
Babbling on and on
Apr. 30, 2024Cheetah in Ngorongoro Conservation Area, Tanzania
Oct. 27, 2024Polar Bear Week
Aug. 9, 2024International Day of the Worlds Indigenous Peoples
Nov. 12, 2023Diwali
A sea of humanity
Feb. 20, 2025Red deer, Canada
Apr. 25, 2025World Penguin Day
Jan. 5, 2024International Ice and Snow Sculpture Festival, Harbin, China
Feb. 27, 2024International Polar Bear Day
Jun. 25, 2024Valley of Fire State Park, Nevada
Oct. 27, 2025Thick-billed raven, Simien Mountains, Ethiopia
Single file, now!
Oct. 10, 2023Mount Sopris, Colorado
Mar. 21, 2026International Day of Forests
Jan. 4, 2024Golden Gate Bridge, San Francisco, California
Spirit of the Puffing Wind
Big rocks, big heads, still counting?
A day for cousins of every stripe
Love is in the snow
Jan. 16, 2025Pinnacles National Park, California, United States
Oct. 22, 2024Palazzo Zuccari, Rome
Jan. 6, 2024Vermilion Lakes, Banff
Home of the ‘world’s worst smelling food?’