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-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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American Red Cross pioneers
King of the ocean
Oct. 2, 2024Autumn in the Ogilvie Mountains, Yukon
Bryce Canyon hoodoos in winter
Nov. 8, 2025Bandon Beach in Bandon, Oregon, United States
Sep. 24, 2023World Rivers Day
Nov. 5, 2024Lençóis Maranhenses National Park, Brazil
Aug. 11, 2024Wooden path to Kennedy Lake, Vancouver Island
Jul. 4, 2024Fisgard Lighthouse National Historic Site
Mar. 11, 2024Koala sleeping in a eucalyptus tree, Australia
Dec. 13, 2023Svolvaer, Lofoten Islands, Norway
Dragon tails trail to the sea
Postcard from Italy
Hot enough to howl
Apr. 4, 2026Black grouse males, Estonia
Feb. 6, 20262026 Winter Olympics
Incan ingenuity
Feb. 18, 2026Przewalskis horses
Apr. 9, 2024World Ski and Snowboard Festival
Dec. 2, 2024Moose, Denali National Park, Alaska, United States
Nov. 21, 2023Grey seal pup
Aug. 29, 2025Aerial view of Plaza Mayor, Madrid, Spain
Celebrating the tropics
Jun. 16, 2024Happy Fathers Day!
Mar. 11, 2025Broken Beach in Nusa Penida, Bali, Indonesia
Oct. 16, 2025Eurasian lynx
Dec. 4, 2025International Cheetah Day
Whats blooming so brightly?
Jan. 7, 2026Old Rock Day
A glimpse of Yoho National Park