April 21, 2025

Take Part in AGI Earth Day Webinar: ‘The Science of Net Zero Buildings’

April 21, 2025

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Earth Day 2025: Is today Earth Day? Date, theme, history, activities, celebrations

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Earth Day Is Tuesday, April 22—Why Does the U.S. Celebrate the Holiday?

April 20, 2025

When is Earth Day 2025? What to know about the planet-centered holiday

April 18, 2025

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April 16, 2025

Earth Day Turns 55

April 10, 2025

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April 10, 2025

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April 9, 2025

EarthFest, San Diego’s largest Earth Day celebration, returns to Balboa Park