International Day of the Tropics 29 Jun 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
Celebrating the tropics
29 Jun 2024Pride in London

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In fine feather
A shallow sea
Taking the long view
A day for cousins of every stripe
3 Nov 2025World Jellyfish Day
Beauty beneath the surface
16 May 2024International Day of Light
What are these colorful insects?
28 Oct 2023Castilla-La Mancha, Spain
17 Jan 2025Brown pelican, San Diego, California, United States
21 Nov 2023Grey seal pup
24 Sep 2023World Rivers Day
8 Jul 2025Seceda, Dolomites, South Tyrol, Italy
Beauty comes in trees
14 May 2024Carlsbad Caverns National Park
18 May 2024International Museum Day
A 50-year balancing act
17 Dec 2024Traditional red fishermens cabins, Reine, Norway
4 Apr 2025National Cherry Blossom Festival, Washington, DC, United States
Dare to delve into this dense swamp
4 Aug 2025Great grey owls in their nest, Finland
14 Nov 2024Manarola, Cinque Terre National Park, Liguria, Italy
23 Jun 2025Elbe river in Dresden, Saxony, Germany
Protecting Earths biodiversity for everyone
3 Dec 2023Advent Sunday
13 May 2026Arch and Milky Way, Alabama Hills, California, United States
Isn’t this view mesmerizing?
The Old Bridge, reborn
17 Feb 2026Chinese New Year
What are these predators doing?