Earth Day Apr. 22, 2024

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-Wisconsin senator, 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
Apr. 22, 2026Earth Day

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Aug. 31, 2024Rocks and sand in the Sahara, Algeria
Oct. 11, 2025World Migratory Bird Day
Holiday hues
A sky full of stars
Feb. 3, 2025Ribblehead Viaduct, North Yorkshire, England
Mar. 30, 2024Brown-throated three-toed sloth
Jan. 7, 2026Old Rock Day
Happy New Year’s from down under
Dec. 3, 2025Sandhill cranes, Bosque del Apache National Wildlife Refuge, United States
May 6, 2026Thunderstorm above the plains, Bulgaria
A mountaintop cultural wonder
What are they celebrating?
Mar. 6, 2026The Wave, Vejle, Denmark
Mar. 22, 2026World Water Day
Jul. 25, 2025Colourful houses of Las Palmas de Gran Canaria, Spain
May 31, 2024Gunnerside, Yorkshire Dales National Park, England
Winter at Valley Forge
Park of the Monsters
May 13, 2026Arch and Milky Way, Alabama Hills, Sierra Nevada, California, USA
Jan. 19, 2026Abraham Lake, Alberta
Angry bird, doting dad
Celebrating Canada and Englands common bond
Sep. 16, 2023Oktoberfest begins
Nov. 14, 2025Manatee
Dec. 21, 2024Happy winter solstice!
Dec. 6, 2023Computer Science Week
Trunks packed for road
Dec. 29, 2024Borobudur temple, Java, Indonesia
Part science experiment, part public park
Jun. 20, 2024Summer solstice