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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.
Earth Day had the internet to help link activists around the world. By the time April 22 came around, 5,000 environmental groups worldwide were on board, reaching out to hundreds of millions of people in a record 184 countries.
Tuesday, April 22, 2025 is the 55th anniversary of Earth Day. We invite everyone to support Earth Day’s 2025 theme: OUR POWER, OUR PLANET™. There are many ways you can get involved and make a difference for our planet on Earth Day and every day. Join millions worldwide in Earth Day 2025 activities.
Earth Day is a reminder of the importance of environmental conservation and sustainability, encouraging us to come together and take action for a healthier planet and brighter future.
Growing out of the first Earth Day in 1970, EARTHDAY.ORG is the world’s largest recruiter to the environmental movement, working with more than 150,000 partners in over 192 countries to drive positive action for our planet.
April 22nd, 2025 will mark the 55th anniversary of Earth Day. 192 countries and over one billion people around the globe are expected to participate, demonstrating the longstanding convening power of Earth Day to bring people from all walks of life to work together for a better future.
There are so many ways to make a difference for our planet on Earth Day, April 22, and every day. Join millions worldwide in Earth Day 2025 activities, attend a local event or plan and register your own.
Earth Day 2024 Join us to honor and celebrate our remarkable planet on this extraordinary day. Earth Day is a reminder of the importance of environmental conservation and sustainability, encouraging us to come together and take action for a healthier planet and brighter future.
On April 22, 2025, EARTH DAY will mark its 55th anniversary— a perfect moment to reflect on how Earth Day has made a lasting impact on our planet and proof that an engaged public can change the world for the better.
The first Earth Day is credited with launching the modern environmental movement and is now recognized as the planet's largest civic event. Earth Day led to passage of landmark environmental laws in the United States, including the Clean Air, Clean Water and Endangered Species Acts.