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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Apr. 21, 2026European hedgehog, France
Positively purple peaks
Nov. 27, 2024Tombeau du Géant in Bouillon, Belgium
Farewell, Ma’am
Aug. 5, 2024Lavender field, Hertfordshire, England
Dec. 28, 2025Black-and-white ruffed lemur in Madagascar
A day for cousins of every stripe
Dec. 15, 2023SantaPark, Lapland, Finland
Jun. 4, 2024Chestnut-headed bee-eater, Bardia National Park, Nepal
The old castle at sunrise
Apr. 26, 2025Bruce Peninsula National Park, Ontario
Feb. 16, 2024Great Backyard Bird Count
Stairway to heaven?
Apr. 10, 2024Siblings Day
Aug. 10, 2025World Lion Day
Spanning the soft sunlight
Nov. 11, 2023Young Peak, British Columbia
The only road to P.E.I.
The sprout with amazing potential
Jul. 27, 2025Barracudas at Shark Reef, Ras Mohammed National Park, Sinai Peninsula, Egypt
Apr. 29, 2025Garden at Château de Villandry, Loire Valley, France
Mar. 24, 2025African elephants in Namibia
Oct. 2, 2023World Architecture Day
Jul. 5, 2025Tour de France
A legend sprung from the ground
Aug. 4, 2024Friendship Day
Jul. 1, 2024Canada Day
Jul. 3, 2024World Meerkat Day
Jan. 28, 2025Short-eared owl
Jan. 5, 2024International Ice and Snow Sculpture Festival, Harbin, China