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  1. Earth Day: The Official Site | EARTHDAY.ORG

    Apr 2, 2009 · 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.

  2. 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 includes a wide range of events coordinated globally …

  3. What is Earth Day 2025, when is it and what has it achieved?

    Apr 21, 2025 · What is Earth Day and when is it? Earth Day is a global event which aims to highlight the importance of protecting the environment. It takes place annually on 22 April.

  4. Earth Day | Definition, Environmentalism, History, & Facts ...

    Earth Day is an annual celebration honoring the achievements of the environmental movement and raising awareness of the importance of long-term ecological sustainability. It is celebrated …

  5. Earth Day 2025 - Origins, Theme, Celebration | HISTORY

    Oct 27, 2009 · Earth Day was founded in 1970 as a day of education about environmental issues and the holiday is now a global celebration that’s sometimes extended into Earth Week, a full …

  6. Earth Day: What is it and why does it matter? | Space

    Apr 22, 2025 · Earth Day is a global event held every year on April 22, dedicated to celebrating Earth 's natural beauty and raising awareness about protecting our environment.

  7. When Is Earth Day? - What It Means & How It Started

    Apr 22, 2025 · When is Earth Day and why do we celebrate it? Learn the history, meaning, and easy ways to take part in protecting our planet this April 22.