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Earth Day is one of the largest civic events on the planet — over a billion people across 190+ countries participate each year. In 2026, the date, the official theme, and the activities have particular weight given ongoing climate milestones and global conservation talks. Here's everything you need to know.::alert info
Earth Day 2026 is on Wednesday, April 22. The official theme is **"Our Power, Our Planet"** — focused on tripling global renewable energy output by 2030.
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**Earth Day is Wednesday, April 22, 2026.**
Earth Day is always on April 22. The date was chosen in 1970 by Senator Gaylord Nelson and activist Denis Hayes to maximize student participation — it falls between spring break and final exams, and well after the ski season but before summer heat.
The first Earth Day in 1970 mobilized 20 million Americans and directly led to the creation of the U.S. Environmental Protection Agency and the passage of the Clean Air Act, Clean Water Act, and Endangered Species Act — all within four years.
::keyfacts
- Date: Wednesday, April 22, 2026
- Official theme: "Our Power, Our Planet"
- Organized by: earthday.org (Earth Day Network)
- Participants: 1 billion+ people in 193 countries
- First Earth Day: April 22, 1970
- 2026 marks the 56th annual Earth Day
::end
## 2026 Official Theme: Our Power, Our Planet
The 2026 Earth Day theme — **"Our Power, Our Planet"** — centers on renewable energy as the defining climate action of this decade. The Earth Day Network has called for world governments and corporations to commit to tripling global renewable energy capacity by 2030, a target set at COP28 in Dubai and reaffirmed at subsequent climate summits.
The "Our Power" framing has a double meaning: it refers both to electricity (clean power) and to collective human agency — the idea that citizens, communities, and organizations hold real power to drive change through advocacy, investment, and behavior.
Key focus areas for 2026 include:
For full coverage, visit https://www.linos.ai/science/earth-day-2026-date-theme-activities/
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