Earth Day: The Official Site | EARTHDAY.ORG
Visit the official Earth Day site to learn about the world's largest environmental movement and what you can do to make every day …
Earth Day - Wikipedia
Earth Day is an annual event on April 22 to demonstrate support for environmental protection. First held on April 22, 1970, it now …
The History of Earth Day | Earth Day
Discover Earth Day's 50-Year Legacy, Uniting Billions Annually on April 22. Explore the Movement's History.
Earth Day | Date, Environmentalism, History, & Facts | Britannica
Sep 4, 2026 · Earth Day is an annual celebration honoring the achievements of the environmental movement and raising awareness …
What is Earth Day? - IFAW
Apr 21, 2026 · Earth Day is a grassroots initiative that has become the world’s largest secular holiday—around the world. Every year, …
Earth Day - National Geographic Society
Earth Day is an annual celebration that honors the achievements of the environmental movement and raises awareness of the need …
Earth Day: 2026 Date, Origin, Founder & Facts | HISTORY
Oct 27, 2009 · Earth Day, celebrated every April, was founded in 1970 as a day of education about environmental issues.
Earth Day | US EPA
Sep 21, 2026 · Earth Day, April 22, is a day to learn about and remember the importance of protecting health and the environment.
Earth Day
The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most …
Earth Day | National Geographic Kids
Celebrate Earth Day with these tips for helping our environment. The first Earth Day was celebrated in 1970, when a United States …