You don't have to celebrate Earth Day just on April 22. Enjoy being "green" all week with these fun Earth Day events for kids on Long Island.

Celebrate Earth Day at Maritime Explorium (101 E. Broadway, Port Jefferson). Build a biome with native plant seeds, recycle water bottles and grow something green to help keep our atmosphere clean on Saturday, April 18 and Sunday, April 19 from 1 to 5 p.m. Price: $5, Explorium admission fee.

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Our Changing World — Earth Day Program at Long Island Children's Museum (11 Davis Ave., Garden City). Come to the museum's Earth Day celebration and learn about animals and plants that are on the brink of extinction on Sunday, April 19 from 1 to 3 p.m. Make earth-friendly resolutions to conserve nature and create reminders of our changing world. Price: Free.

Earth Day Awareness at Cold Spring Harbor Fish Hatchery and Aquarium (1660 Route 25A, Cold Spring Harbor). On Saturday, April 18 and Sunday, April 19 from 11 a.m. to 3 p.m., celebrate Earth Day with a focus on frogs. Children can make an animal passport to keep track of the frogs they learn about, as well as other hatchery animals. Price: $6, $4 seniors and ages 3-12, free ages 3 and younger.

A Celebration of Earth Day at Nassau County Museum of Art (1 Museum Dr., Roslyn Harbor). Celebrate Earth Day by observing animals and the way they move on Sunday, April 19 from 1 to 4 p.m. The event is guided by artist Karine Falleni; attendees will create art using a combination of yoga and unusual art materials. Bring plastic bags; held rain or shine. Price: Free.

Eco Carnival at Seatuck Environmental Association (550 South Bay Ave., Islip). Families can check out nature programs, live animals, music, art, games and food in celebration of Earth Day on Saturday, April 25 from 11 a.m. to 5 p.m. Rain date is Sunday, April 26. Price: $5 per person, $20 per family.

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Earth Day Celebration at Downs Farm Preserve (23800 County Route 25, Cutchogue). On Saturday, April 25, the event features arts and crafts, animal presentations, guided nature walks, live music, local artisan products for purchase, solar displays, informational tables and more. Rain date is Sunday, April 26. Price: Free, donations are welcome.