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Earth Day 2026 is celebrated on April 22. This year’s theme, Our Power, Our Planet, focuses on renewable energy and the need to commit to harnessing renewable energy to build a healthy, sustainable, equitable and prosperous future.
The Department of Natural Resources and Environmental Control offers a variety of activities and ideas to build that future as we celebrate Earth Day throughout the month of April (and every other day).
Earth Day began in April of 1970, when Americans gathered together to raise awareness of pollution and the effects of pollution.
Since then, Earth Day has served as a focal point for outdoor activities, volunteer efforts, and environmental education in Delaware and around the nation.
Learn more about the History of Earth Day in Delaware in Outdoor Delaware, DNREC’s online magazine.
Then, test your Earth Day knowledge with a quiz.
April 7, 2026 -- Take A Kid Fishing!
April 8, 2026 -- Take A Kid Fishing!
April 9, 2026 -- Take A Kid Fishing!
April 11, 2026 -- Christina River Watershed Cleanup
April 11, 2026 -- Concord Pond Cleanup
April 16, 2026 -- Top 3 in 30 Webinar: Delaware’s Energy Programs
April 18, 2026 -- Trap Pond Nature Festival
April 22, 2026 -- SAV Seekers Training (Part 1)
April 22, 2026 -- Earth Day Slaughter Beach Cleanup
April 22, 2026 -- A New Kind of Seasickness: Marine Debris
April 24, 2026 -- Volunteer Tree Planting: Augustine Creek
April 25, 2026 -- Volunteer Tree Planting: Great Cypress Swamp
Delaware’s State Parks offer Earth Day events and volunteer opportunities throughout the month. The events are free with paid park entry fee unless otherwise noted. Some programs require advance registration.
How about some musical inspiration for Earth Day? We asked our DNREC colleagues for their Earth Day song suggestions and we created an Earth Day playlist.
DNREC encourages residents and visitors statewide to pitch in and help keep Delaware’s waterways, wetlands and landscapes clean and free of trash by participating in organized volunteer cleanups.
Delawareans and visitors are also encouraged to clean up neighborhoods, green spaces and waterways throughout the state on days, times and at locations of their choice.
Related Topics: cleanup, dnrec, earth day, Environmentalist, nature
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