International Day of the Tropics Jun. 29, 2025

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.

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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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Dec. 27, 2025Plate ice along Lake Superior, Grand Marais, Minnesota, United States
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All is calm
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Aug. 2, 2025Petroglyphs near Fruita in Capitol Reef National Park, Utah, United States
Feb. 19, 2025European river otter
Blue as far as the eye can see
The oldest way to fly
Dec. 16, 2024Salzburg, Austria
Jan. 12, 2025Crescent-tail bigeye fish, Great Barrier Reef, Australia
Jan. 30, 2024Aýna, Albacete, Spain
Apr. 20, 2024Grand Prismatic Spring at Yellowstone National Park, Wyoming, USA
Nov. 1, 2024Vineyards in Varnhalt, Black Forest, Germany
Jul. 9, 2025Independence Day of the Argentine Republic
Sep. 2, 2024Milky Way over the Elbow River in southern Alberta
Jun. 5, 2025World Environment Day
Rugged coasts and temperate rainforests
An old bridge in a new light
Jan. 12, 2024Bukhansan National Park, South Korea
Aug. 24, 2023Shark Fin Cove, California
Where are these spectacular peaks?
Where fire and water meet
Go fly a kite!
Jan. 14, 2024Whooper swans

International Day of the Tropics Jun. 29, 2025

© fabio lamanna/Alamy Stock Photo

Today in History

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© fabio lamanna/Alamy Stock Photo