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

    Feb 20, 2026 · 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

    The goal of Earth Day 2014 was to dramatically personalize the massive challenges surrounding global climate change and weave that into both Earth Day 2014 and the five-year countdown to Earth Day

  3. 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 on either

  4. Earth Day 2026: When Is Earth Day? | Celebrating Earth Day ...

    Feb 12, 2026 · Today, not only is Earth Day meant to increase awareness of environmental problems, but it is also becoming a popular time for many communities to gather together to clean up litter, …

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

    Apr 21, 2025 · Earth Day is a global event which aims to highlight the importance of protecting the environment. It takes place annually on 22 April. It was set up in 1970 by Gaylord Nelson, a US …

  6. Earth Day: Origins, 2026 Date, 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 seven days …

  7. Earth Day: When is it and why do we celebrate it? - Live Science

    Apr 22, 2025 · Earth Day is an annual event on April 22 that celebrates the planet Earth and raises public awareness about environmental issues. The day is observed worldwide with rallies, …