Earth Day Apr 22, 2024

Earth Day

Today is Earth Day—a day dedicated to celebrating the planet we call home and raising awareness of environmental problems. The seeds of this day were planted back in 1969 when Gaylord Nelson, the then-senator of Wisconsin, USA, witnessed events like the Cuyahoga River catching fire and the Santa Barbara oil spill and decided that the world needed an environmental initiative. A year later, the first Earth Day event was held. Now, it has grown into an annual event with more than a billion people in over 193 countries taking part.

© Ralph Pace/Minden Pictures

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Today in History

Where can you find this cute creature?
Apr 22, 2025Earth Day

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Mar 11, 2024Sleeping koala
Apr 13, 2025Songkran—Thai New Year
In the spotlight
May 10, 2025Minnesota State Capitol, St. Paul, Minnesota, United States
A future built on the past
Jan 19, 2024Plitvice Lakes National Park, Croatia
Bryce Canyon hoodoos in winter
Our forgotten forests
Feb 9, 2025Alstrom Point, Lake Powell, United States
Colours of Colorado
Oct 25, 2025Martimoaapa Mire Reserve, Finland
What waterborne wizardry is this?
Dec 6, 2024Finnish Independence Day
Spring is the time for billing
Nov 9, 2024Aït Benhaddou, Morocco
May 27, 2024Airavatesvara Temple at Darasuram, Tamil Nadu
Sharks, just living their lives
Feb 4, 2024Devetashka Cave, Devetaki, Bulgaria
May 7, 2025Rabindra Jayanti
Aug 2, 2024Virgin Islands National Park, Saint John, United States
Oct 15, 2023European hedgehog
Jan 28, 2025Short-eared owl
Apr 18, 2024International Day for Monuments and Sites
May 31, 2024Gunnerside, Yorkshire Dales National Park, England
Aug 8, 2025The Three Musketeers Falls at Iguazú Falls, Argentina
Nov 4, 2024Grasmere, Lake District, Cumbria, England
Sep 23, 2023Autumnal equinox
The road less taken?
Mar 27, 2025World Theatre Day
Starry, starry night