• Sep 25th, 5pm: Beyond the Floodline, A Path to Climate Adaptive Design. On Oahu. Link HERE
• Sep 25th, 6pm: Island Earth Session: Native Plant Paint & Sip with Kaulumaika. On Oahu. Link HERE
• Sep 25th, 6:30pm: BTSS – We Make the Future in the Present. On Oahu. Link HERE
• Sep 26th, 3pm: Nene Awareness Celebration. On Oahu. Link HERE
• Sep 26th, 4:30pm: Nukoliʻi Beach Cleanup. On Kauaʻi. Link HERE
• Sep 27th: Sierra Club – Hamakua Malama service outing. On Maui. Link HERE
• Sep 27th: Teran James Young Foundation – Rally Around Peace. On Maui. Link HERE
• Sep 27th, 7am: Surfrider – Ohana Fitfest. On Kauaʻi. Link HERE
• Sep 27th, 8am: Hawaii Science Teaching Association and Hawaii Council of Teachers of Mathematics 2025 Fall Conference. On Oahu. Link HERE
• Sep 27th, 8am: eopala – E-Waste Recycling – 9th Go Green-ER E-waste Recycle Fundraiser Collection Event at Ben Parker Elementary. On Oahu. Link HERE
• Sep 27th, 8:30am: Beach Clean-up – The Friends of Kamalani & Lydgate Park. On Kauaʻi. Link HERE
• Sep 27th, 8:30am: Waialeʻe Lako Pono – Community Work Day. On Oahu. Link HERE
• Sep 27th, 9am: Nukumoi Surfboard Swap Meet Booth. On Kauaʻi. Link HERE
• Sep 27th, 9am: Permaculture Saturdays at Kolea Farm. On Oahu. Link HERE
• Sep 27th, 9am: Waipa Foundation – Community Workday. On Kauaʻi. Link HERE
• Sep 27th, 9am: Waimea Valley – ‘Ohana Volunteer Day. On Oahu. Link HERE
• Sep 27th, 10am: He Ala Pono EV and Sustainability Fair. On Hawaiʻi Island. Link HERE
• Sep 27th, 10am: Sustainable Coastlines – Nation of Hawaiʻi Work Days. On Oahu. Link HERE
• Sep 27th, 6pm: Empty Bowl Hawai‘i 2025. On Oahu. Link HERE
• Sep 28th, 6:15am: Hawaiʻi Bicycling League – Ride Aloha Festival: Honolulu Century Ride & Aloha Fun Ride. On Oahu. Link HERE
• Sep 28th, 10am: ʻIkuwā Festival 2025. On Hawaiʻi Island. Link HERE
• Sep 29th, 4pm: Hamakua Marsh Wildlife Sanctuary Forest Restoration. On Oahu. Link HERE
• Sep 29th, 5pm: Planning for Our Water Future. On Kauaʻi. Link HERE
• Sep 30th, Noon: From Knowledge Gaps to Action: How Pacific RISCC Bridges Science and Management for Pacific Island Resilience. On Oahu. Link HERE
• Sep 30th, 5pm: Planning for Our Water Future. On Kauaʻi. Link HERE
• Oct 1st, 1pm: State Climate Commission (CCMAC) meeting. On Oahu and Virtual. Link HERE
• Oct 1st, 5pm: Planning for Our Water Future. On Kauaʻi. Link HERE
• Oct 2nd, 5pm: Planning for Our Water Future. On Kauaʻi. Link HERE
• Oct 2nd, 8:30am: Surfrider – Youth Beach Cleanup. On Kauaʻi. Link HERE
• Oct 2nd, 5pm: Planning for Our Water Future. On Kauaʻi. Link HERE
• Oct 2nd, 5:30pm: GoFarm Hawaiʻi Kauaʻi AgCurious 2025 Webinar. Virtual. Link HERE
• Oct 3rd thru 30th: The 2025 Trash Show: Hawaiʻi Island Recycles. On Hawaiʻi Island. Link HERE
• Oct 4th: Hawaiʻi Island festival of Birds. On Hawaiʻi Island. Link HERE
• Oct 4th, 1pm: Kaiāulu: Rising together: Climate Artist in Residence. On Oahu. Link HERE
• Oct 5th, 8am: Sierra Club – Mālama Tree Crew: Ala Mahamoe Service Project. On Oahu. Link HERE
• Oct 5th, 9am: Waimea Valley – Mālama Mala Workday. On Oahu. Link HERE
• Oct 6th, 8:30am: Urban Resilience – UN World Habitat Day. On Oahu. Link HERE
• Oct 6th, 10am: Keiki O Ka ʻĀina Farms – Fall Break ʻĀina Camp. On Oahu. Link HERE
• Oct 8th, 8am: 2025 Maui Stormwater Conference. On Maui. Link HERE
• Oct 6th, 4pm: Hamakua Marsh Wildlife Sanctuary Forest Restoration. On Oahu. Link HERE
• Oct 10th thru 13th: Kauluhiwaolele Maui Fiber Arts Conference. On Maui. Link HERE
• Oct 11th, 9am: Drive Electric Maui. On Maui. Link HERE
• Oct 11th, 9am: Ola Nā Kini — Leeward O’ahu restoration efforts. On Oahu. Link HERE
• Oct 12th, 8am: Sierra Club – Mālama Tree Crew: Pālehua Service Project. On Oahu. Link HERE
• Oct 16th, 9am: Waimea Valley – Hānai ‘āina Conservation Workday. On Oahu. Link HERE
• Oct 17th, 9:30am: The Climate Justice Through Indigenous Knowledge Symposium. On Oahu. Link HERE
• Oct 17th, 7pm: Free Screening of Ocean by David Attenborough hosted by Ho’omalu Ke Kai and Friends. On Kauaʻi. Link HERE
• Oct 18th & 19th: Kauaʻi Household Hazardous Waste Collection. On Kauaʻi. Link HERE
• Oct 18th: Pōhaku Ka Pāpale, Mālama Hulēʻia’s 10-Year Anniversary Celebration. On Kauaʻi. Link HERE
• Oct 18th, 7am: Nukoliʻi Beach Cleanup. On Kauaʻi. Link HERE
• Oct 18th, 9am: Keauhou Community Day. On Hawaiʻi Island. Link HERE
• Oct 18th: 9am: ʻĀina Momona Workday & Workshop Series. On Oahu. Link HERE
• Oct 19th, 9am: Waimea Valley – Mālama Mala Workday. On Oahu. Link HERE
• Oct 25th, 8:30am: Waialeʻe Lako Pono – Community Work Day. On Oahu. Link HERE
• Oct 25th, 9am: Waipa Foundation – Community Workday. On Kauaʻi. Link HERE
• Oct 25th, 10am: Sustainable Coastlines – Nation of Hawaiʻi Work Days. On Oahu. Link HERE
• Oct 25th: Maui Ocean Center – Fins & Frights. On Maui. Link HERE
• Oct 30th, 6:30pm: BTSS – Debbie Ngarewa-Packer lecture. On Oahu. Link HERE
• Oct 31st, 4:30pm: Nukoliʻi Beach Cleanup. On Kauaʻi. Link HERE
• Nov 1st, 8am: Kaanapali Beach Clean-Up. On Maui. Link HERE
• Nov 2nd, 9am: Waimea Valley – Mālama our Makahiki Game Site ʻOhana Volunteer Day. On Oahu. Link HERE
• Nov 4th & 5th: 2025 Collection Systems Conference. On Oahu. Link HERE
• Nov 6th, 6:30pm: BTSS – Waiwai: Water & the Future of Hawai‘i. On Oahu. Link HERE
• Nov 5th thru 7th: Pacific Islands Studies Continuity & Community: 75 Years at Mānoa! On Oahu. Link HERE
• Nov 7th, 8:30am: Nāhelehele Dryland Forest Symposium. On Hawaiʻi Island. Link HERE
• Nov 8th: Sustainable Coastlines – Kaimukī Cleanup Festival. On Oahu. Link HERE
• Nov 13th, 9am: Sustainable Coastlines – KAHUKU MONTHLY SMALL KINE CLEANUPS. On Oahu. Link HERE
• Nov 15th, 7am: Nukoliʻi Beach Cleanup. On Kauaʻi. Link HERE
• Nov 16th, 9am: Waimea Valley – Mālama Volunteer Day. On Oahu. Link HERE
• Nov 15th, 8am to Noon: La Ohana Days at the Waikalua Loko I’a. On Oahu. Link HERE
• Nov 15th: 9am: ʻĀina Momona Workday & Workshop Series: Hero Shrubs. On Oahu. Link HERE
• Nov 19th, 7pm: Bishop Museum – Navigating by the Stars. On Oahu. Link HERE
• Nov 20th, 9am: Waimea Valley – Hānai ‘āina Conservation Workday. On Oahu. Link HERE
• Nov 22nd, 9am: Waipa Foundation – Community Workday. On Kauaʻi. Link HERE
• Nov 28th, 4:30pm: Nukoliʻi Beach Cleanup. On Kauaʻi. Link HERE
• Nov 29th, 10am: Sustainable Coastlines – Nation of Hawaiʻi Work Days. On Oahu. Link HERE
• Dec 3rd, 1pm: State Climate Commission (CCMAC) meeting. On Oahu and Virtual. Link HERE
• Dec 3rd thru 5th: Pacific Entomology and Botany Meeting 2025. On Oahu. Link HERE
• Dec 5th thru 7th: 9th iNTA Conference 2025. On Oahu. Link HERE
• Dec 7th, 9am: Waimea Valley – Mālama Volunteer Day. On Oahu. Link HERE
• Dec 9th & 10th: THE SECOND INVASIVE SPECIES AND CLIMATE CHANGE CONFERENCE. Virtual. Link HERE
• Dec 11th, 9am: Sustainable Coastlines – KAHUKU MONTHLY SMALL KINE CLEANUPS. On Oahu. Link HERE
• Dec 18th, 9am: Waimea Valley – Hānai ‘āina Conservation Workday. On Oahu. Link HERE
• Dec 20th, 7am: Nukoliʻi Beach Cleanup. On Kauaʻi. Link HERE
• Dec 21st, 9am: Waimea Valley – Mālama Volunteer Day. On Oahu. Link HERE
• Dec 26th, 4:30pm: Nukoliʻi Beach Cleanup. On Kauaʻi. Link HERE
• Dec 27th, 9am: Waipa Foundation – Community Workday. On Kauaʻi. Link HERE
• Feb 10th thru 12th: Pacific Water Conference. On Oahu. Link HERE
• Feb 18th, 7pm: Bishop Museum – Navigating by the Stars. On Oahu. Link HERE
• May 2nd, 8:30am: Surfrider – Youth Dune Restoration and Beach Cleanup. On Kauaʻi. Link HERE
• May 20th, 7pm: Bishop Museum – Navigating by the Stars. On Oahu. Link HERE
• Jul 5th, 9am: Surfrider – July 5th Beach Cleanup with PAL Hawaii. On Kauaʻi. 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.
