- Free Entrance Day Haleakala National Park Apr 22, 2023 Haleakala Summit District 7am & Kipahulu District
- Volunteer Clean-Up Event Apr 22, 2023 7:30a-9a Haleakalā Visitor Center at 9,740 feet, Haleakala Summit District
- Maui Ocean Center Celebrates Earth Day Apr 22, 2023 10a-3p Maui Ocean Center, Maalaea
- Lahaina Banyan Tree Celebrates 150th anniversary Apr 22, 2023 10a-2p Lahaina Banyan Court Park
- Sunflower Farm Music Fest 2023 Apr 22, 2023 9a-5p Pacific Biodiesel Technologies Sunflower Farm, Wailuku
- Maui Beach Cleanups Apr 22, 2023 9a-12p 814 HI-30, Lahaina
- Earth Day Cleanup- Olowalu Apr 22, 2023 9a-12p Olowalu Coastline Clean-up – Any Beach
- Live Green: An Earth Day Celebration Apr 22, 2023 10a-12p Maui Mall Village, Kahului
- Earth Day Ranger-Led Program Apr, 22, 2023 2p Hosmer Grove, Haleakala Summit District
- Heaven on Earth Day Apr 22, 2023 4p-6:30p Maui Steam Club, Makawao
- Maui Mall Village Earth Day Celebration Apr 23, 2023 11a-1p Maui Mall Village, Kahului
- UH Maui College Earth Day Apr 26, 2023 3p-6p Great Lawn at Maui Community College, Kahului
