• Apr 15th, 6am: Toning for the Trees. Virtual. Link HERE
• Apr 15th, Noon: Sierra Club – Earth Month Action Hour. Virtual. Link HERE
• Apr 15th, 6pm: Maui Ocean Center – Koholā Film Feature. On Maui. Link HERE
• Apr 16th, Noon: ISR – Institute for Sustainability and Resilience – Spring Sustainability Seminar Series. On Oahu
and Virtual. Link HERE
• Apr 16th, Noon: What The Climate? Free Online Public Event: Exploring Problems & Solutions. Virtual. Link HERE
• Apr 16th, 5:30pm: Bishop Museum – Grow Aloha. On Oahu. Link HERE
• Apr 16th, 6:30pm: BTSS – Reclaiming Democracy: From Disaster Recovery to Community Governance. On Oahu. Link HERE
• Apr 16th, 1pm: Plastic Recycling Research Facility (PRRF) Volunteer Sign Up. On Oahu. Link HERE
• Apr 17th, 9am to Noon: Lā Honua K-12 Earth Day at UH Hilo. On Hawaiʻi Island. Link HERE
• Apr 17th, 9am: Malama Maunalua – Rain Garden Workday. On Oahu. Link HERE
• Apr 17th, Noon to 3pm: UH Hilo – Conservation Career Day. On Hawaiʻi Island. Link HERE
• Apr 17th, 1pm: Plastic Recycling Research Facility (PRRF) Volunteer Sign Up. On Oahu. Link HERE
• Apr 17th, 6pm: Sea Birds of Maui Nui and Hawaiian Islands Humpback Whale National Marine Mammal Sanctuary. On Maui. Link HERE
• Apr 18th, 10am to 1pm: Kokua Foundation – Kokua Learning Farm Fun Day (Earth Day event) and Plastic Free Hawaiʻi Mural Art Walk! On Oahu. Link HERE
• Apr 18th, 5pm: Molokai Earth Day 2025. On Molokai. Link HERE
• Apr 19th: Sustainable Coastlines – Bellow’s Beach Cleanup. On Oahu. Link HERE
• Apr 19th: Project Kanu – Lā Honua Earth Day Festival. On Hawaiʻi Island. Link HERE
• Apr 19th, 8am to Noon: La Ohana Days at the Waikalua Loko I’a. On Oahu. Link HERE
• Apr 19th, 8am: eopala – Bottles 4 College recycling and E-waste Recycle Drive. On Oahu. Link HERE
• Apr 19th, 8am: Biannual: Pearl Harbor Bike Path Cleanup. On Oahu. Link HERE
• Apr 19th, 8:30am: Waimea Earth Day Beach Cleanup. On Kauaʻi. Link HERE
• Apr 19th, 9am: Malama Learning Center – Lā Honua – Earth Day at Kaiser West. On Oahu. Link HERE
• Apr 19th, 9:15am: Ka’ala Farm Guest Speaker: Special Earth Month Talk. On Oahu. Link HERE
• Apr 19th, 9am to 2pm: Waimea Valley – Mauka to Makai Earth Day. On Oahu. Link HERE
• Apr 19th, 10am: eopala – E-waste Recycle Drive at Ka Makani Aliʻi. On Oahu. Link HERE
• Apr 19th, 10am: Party for the Planet at Honolulu Zoo. On Oahu. Link HERE
• Apr 20th – 26th: Merrie Monarch 2025. On Hawaiʻi Island. Link HERE
• Apr 21st, 9am to 1pm: Liko Nā Pilina – Community Stewardship Days. On Hawaiʻi Island. Link HERE
• Apr 22nd: Sustainable Coastlines – GoFarm Workday + EARTH DAY! On Oahu. Link HERE
• Apr 22nd, 8am: Earth Day: The Two Emergencies. Virtual. Link HERE
• Apr 22nd, 9am: Earth Day Celebration at Keālia Pond NWR. On Maui. Link HERE
• Apr 22nd, 2pm: Anaina Hou – Ohana Earth Day Festival. On Kauaʻi. Link HERE
• Apr 22nd, 10am to 1pm: Hawaiʻi CC – Manono – Global Earth Day. On Hawaiʻi Island. Link HERE
• Apr 22nd, 3:30pm to 4:30pm: Earth Day Collage with Cadette Girl Scouts. On Oahu. Link HERE
• Apr 22nd, 6pm: Maui Ocean Center – Koholā Film Feature. On Maui. Link HERE
• Apr 23rd, 11:30am to 1pm: KBG April Luncheon – Castle Foundation. On Oahu. Link HERE
• Apr 23rd, Noon: ISR – Institute for Sustainability and Resilience – Spring Sustainability Seminar Series. On Oahu
and Virtual. Link HERE
• Apr 23rd, 1pm: Plastic Recycling Research Facility (PRRF) Volunteer Sign Up. On Oahu. Link HERE
• Apr 24th, 1pm: Plastic Recycling Research Facility (PRRF) Volunteer Sign Up. On Oahu. Link HERE
• Apr 24th, 4pm: OceanTalk at Waikiki Aquarium. On Oahu. Link HERE
• Apr 24th, 5:30pm: CREW Hawaii – Building a Greener Honolulu, Kuilei Place Showroom Tour. On Oahu. Link HERE
• Apr 25th, 7:30am to 12:30pm: Kākoʻo ʻŌiwi Farm Volunteer Experience: Connect w/ the Land and Community. On Oahu. Link HERE
• Apr 26th: Sustainable Coastlines – Aloha ‘Āina Workday at the Nation of Hawai’i. On Oahu. Link HERE
• Apr 26th, 8am: eopala – E-waste Recycle Drive at Waikiki Elementary. On Oahu. Link HERE
• Apr 26th, 8:30am to 11apm: Beach Clean-up – The Friends of Kamalani & Lydgate Park. On Kauaʻi. Link HERE
• Apr 26th, 9am to 11am: 3Rs School Recycling Drive at Moanalua Elementary School. On Oahu.
Link HERE
• Apr 26th, 9am: Malama Learning Center – Lā Honua – Earth Day at Kapolei High School. On Oahu. Link HERE
• Apr 26th, 9am to 5pm: 29th East Maui Taro Festival. On Maui. Link HERE
• Apr 26th, 6pm to 9pm: Earth Night at Maui Ocean Center. On Maui. Link HERE
• Apr 27th, 7:30am: Hawaiʻi Bicycling League – Hale‘iwa Metric Century & Aloha Fun Ride. On Oahu. Link HERE
• Apr 27th, 8:45am: Celebrate Niu – the Tree of Life with us at this Earth Month Workshop & Malama Workday. On Hawaiʻi island. Link HERE
• Apr 27th, 9am: Sierra Club – Wawamalu Beach Service Project. On Oahu. Link HERE
• Apr 29th, 6pm: Maui Ocean Center – Koholā Film Feature. On Maui. Link HERE
• Apr 30th, 6am: Sustainability Symposium 2025. Virtual. Link HERE
• Apr 30th, Noon: ISR – Institute for Sustainability and Resilience – Spring Sustainability Seminar Series. On Oahu
and Virtual. Link HERE
• Apr 30th, 1pm: Plastic Recycling Research Facility (PRRF) Volunteer Sign Up. On Oahu. Link HERE
• May 1st: Honolulu City & County Lei Day Celebration. On Oahu. Link HERE
• May 1st, 6am: Sustainability Symposium 2025. Virtual. Link HERE
• May 1st, 10am to 3pm: Maui Ocean Center – Lei Day. On Maui. Link HERE
• May 3rd, 9am to 11am: 3Rs School Recycling Drive at Kipapa Elementary School. On Oahu. Link HERE
• May 3rd, 9am to 11:30am: Kōkua Learning Farm Community Workday. On Oahu. Link HERE
• May 10th, 9am to 11am: 3Rs School Recycling Drive at Pearl City Elementary School. On Oahu. Link HERE
• May 10th, 3pm to 8pm: 9th Annual Ko Olina Childrenʻs Festival. On Oahu. Link HERE
• May 17th, 8am to 10am: Adopt-A-Highway – Community Work-Day Event. On Maui. Link HERE
• May 17th, 9am to 11am: Waiʻalae Elementary Public Charter School. On Oahu. Link HERE
• May 17th, 10am to 3pm: Mokupapapa Discovery Center – World Bee Day. On Hawaiʻi Island. Link HERE
• May 30th, 7:30am to 12:30pm: Kākoʻo ʻŌiwi Farm Volunteer Experience: Connect w/ the Land and Community. On Oahu. Link HERE
• Jun 4th, 1pm: State Climate Commission (CCMAC) meeting. On Oahu and Virtual. Link HERE
• Jun 8th, 10am to 3pm: World Ocean Day at Maui Ocean Center. On Maui. Link HERE
• Jun 14th, 8am to Noon: La Ohana Days at the Waikalua Loko I’a. On Oahu. Link HERE
• Jun 14th, 10am: Ala Moana Beach Cleanup. On Oahu. Link HERE
• Jun 20th, 5:30pm to Noon: Hawaiʻi Bicycling League – For the Love of Bikes Benefit. On Oahu. Link HERE
• Jun 27th, 7:30am to 12:30pm: Kākoʻo ʻŌiwi Farm Volunteer Experience: Connect w/ the Land and Community. On Oahu. Link HERE
• Jun 27th, 6pm to 9pm: Coral Spawning Night at Maui Ocean Center. On Maui. Link HERE
• Jul 11th: 10am: Roots and Renewal. On Maui. Link HERE
• Jul 17th: Community Restoration at Forests of Peahi. On Maui. Link HERE
• Jul 19th: 10:30am: Quiet Ocean Standards Initiative’s First Annual Fundraising Gala. On Kauaʻi. Link HERE
• Jul 22-25th: Hawaiʻi Conservation Alliance Conference. On Oahu. Link HERE
• Jul 27-31st: National Plant Board 99th Annual Meeting. On Oahu. Link HERE
• Aug 2nd thru 5th: Plant Health 2025 conference. On Oahu. Link HERE
• Aug 6th, 1pm: State Climate Commission (CCMAC) meeting. On Oahu and Virtual. Link HERE
• Aug 23rd, 6pm to 9pm: Marine Science Night at Maui Ocean Center. On Maui. Link HERE
• Aug 27-29th: Hawai’i Congress of Planning Officials – Resilient by Design. On Oahu. Link HERE
• Sep 20th, 8am to Noon: La Ohana Days at the Waikalua Loko I’a. On Oahu. Link HERE
• Sep 20th, 9:30am to 3pm: Hala Fest. On Hawaiʻi Island. Link HERE
• Sep 28th, 6:15am: Hawaiʻi Bicycling League – Ride Aloha Festival: Honolulu Century Ride & Aloha Fun Ride. On Oahu. Link HERE
• Oct 1st, 1pm: State Climate Commission (CCMAC) meeting. On Oahu and Virtual. Link HERE
• Nov 15th, 8am to Noon: La Ohana Days at the Waikalua Loko I’a. On Oahu. Link HERE
• Dec 3rd, 1pm: State Climate Commission (CCMAC) meeting. On Oahu and Virtual. Link HERE
If you know of an upcoming climate related, conservation or sustainability events, please email with as much details as possible, i.e. name of event, date and timing of event, island/location and Url/link to event.
