• Jul 25th, 2pm & 4pm: HoMA/Doris Duke Theatre – The Big Sea. Link HERE
• Jul 25th: Mālama Maunalua – Community Huki – Tradewind Group. On Oahu. Link HERE
• Jul 26th: Sierra Club – Hamakua Malama service outing. On Maui. Link HERE
• Jul 26th, 8am: eopala – E-Waste Recycling Fundraiser for Leihoku Elementary School. On Oahu. Link HERE
• Jul 26th, 8:30am: Kailua Mini Swap. On Oahu. Link HERE
• Jul 26th, 9am: Waipa Foundation – Community Workday. On Kauaʻi. Link HERE
• Jul 26th, 9am: Keauhou Community Day. On Hawaiʻi Island. Link HERE
• Jul 26th, 9am: Makai Watch – Heʻeia Pier. On Oahu. Link HERE
• Jul 26th, 9:30am: Hawaiian Islands Humpback Whale National Marine Sanctuary – Sanctuary Saturday. On Maui. Link HERE
• Jul 26th, 6pm: Niu Forever – Movie. On Oahu. Link HERE
• Jul 26th, 7:30pm: Insect-A-Palooza at Patagonia Honolulu. On Oahu. Link HERE
• Jul 26-27th: 6th Annual – Experience Volcano Festival. On Hawaiʻi Island. Link HERE
• Jul 27-31st: National Plant Board 99th Annual Meeting. On Oahu. Link HERE
• Jul 27th, 2pm: Public Meeting on HDOT’s Energy Security & Waste Reduction Plan | Meeting #2. Virtual. Link HERE
• Jul 27th: Bishop Museum Sounds of the Ocean. On Oahu. Link HERE
• Jul 28th, 8:30am: Waialeʻe Lako Pono – Community Work Day. On Oahu. Link HERE
• Jul 28th, 4pm: Hamakua Marsh Wildlife Sanctuary Forest Restoration. On Oahu. Link HERE
• Jul 28th, 5pm: Maui Ocean Center – Tides of Impact: Culture, Science & Solutions to Plastic Pollution. On Maui. Link HERE
• Jul 28th, 6pm: Public Meeting on HDOT’s Energy Security & Waste Reduction Plan | Meeting #3. Virtual. Link HERE
• Jul 29th: DLNR – Hauʻula Workday. On Oahu. Link HERE
• Jul 29th, 10am: Coconut Rhinoceros Beetle workshop. On Molokai. Link HERE
• Jul 29th, 5:30pm: Holomua Marine Initiative. On Maui. Link HERE
• Jul 30th, 9am: Building Wildfire Resilient in Hawai‘i. Virtual. Link HERE
• Jul 30th, 4:30pm: Kealia Pond National Wildlife Refuge History event. On Maui. Link HERE
• Jul 30th, 5:30pm: GoFarm Windward AgCurious. On Oahu. Link HERE
• Jul 31st, 11:30am: PY25 Maui CEA Kickoff. On Maui. Link HERE
• Jul 31st, Noon: Building Wildfire Resilient in Hawai‘i. Virtual. Link HERE
• Jul 31st: DLNR – Coqui Capture. On Oahu. Link HERE
• Jul 31st, 6pm: Food Insecurity Part 2: Stories, Strategies, and Community Action. On Oahu. Link HERE
• Aug 2nd: Sierra Club – Makapipi Watershed Trail. On Maui. Link HERE
• Aug 2nd thru 5th: Plant Health 2025 conference. On Oahu. Link HERE
• Aug 2nd, 8:30am: Surfrider – Hanalei Board Swap Booth. On Kauaʻi. Link HERE
• Aug 2nd, 9am: Kōkua Learning Farm Community Workday. On Oahu. Link HERE
• Aug 2nd, 9am: Annual Unthirsty Plant Sale. On Oahu. Link HERE
• Aug 2nd, 10am: eopala – E-Waste Recycling – Nerds in the Park at Ala Moana Beach Park. On Oahu.
Link HERE
• Aug 2nd, 4:30pm: Surfrider – Booth at 1st Saturday Kapaa Art Night. On Kauaʻi. Link HERE
• Aug 3rd, 8am: Sierra Club – Mālama Tree Crew: Ala Mahamoe Service Project. On Oahu. Link HERE
• Aug 3rd, 8am: Sierra Club – Palehua Elepaio Enclosure “Akupu” Service. On Oahu. Link HERE
• Aug 4th, 4pm: Hamakua Marsh Wildlife Sanctuary Forest Restoration. On Oahu. Link HERE
• Aug 6th, 1pm: State Climate Commission (CCMAC) meeting. On Oahu and Virtual. Link HERE
• Aug 6th, 5:30pm: Holomua Marine Initiative. On Maui. Link HERE
• Aug 6th, 5:30pm: GoFarm North Shore AgCurious. On Oahu. Link HERE
• Aug 6th, 6pm: Conservation Council for Hawai’I Speaker Series. On Oahu. Link HERE
• Aug 7th, 5:30pm: Surfrider – Maui Chapter Meeting. On Maui. Link HERE
• Aug 7th, 6pm: Pacific Rising: California & Hawaii Leading the Clean Energy Revolution. On Oahu. Link HERE
• Aug 9th thru 30th: Greenhouse Construction Workshop. Hawaiʻi Island. Link HERE
• Aug 9th, 8:30am: Ulupō Heiau State Historic Site Community Work Day. On Oahu. Link HERE
• Aug 9th, 9am: Pehea ka ʻāina? – Volunteer Tree Planting & ʻĀina Restoration Day. On Oahu. Link HERE
• Aug 7th, 9am: Surfrider – Beach Cleanup at Hanakaʻōʻō (Lahaina Canoe Beach). On Maui. Link HERE
• Aug 9th, 9am: Keauhou Community Day. On Hawaiʻi Island. Link HERE
• Aug 9th, 9am: Ola Nā Kini — Leeward O’ahu restoration efforts. On Oahu. Link HERE
• Aug 9th: 3rd Annual Agroforestry Celebration. On Hawaiʻi Island. Link HERE
• Aug 10th, 8am: Sierra Club – – Mālama Tree Crew: Pālehua Service Project. On Oahu. Link HERE
• Aug 10th: Sierra Club – Waihe’e Coastal Dunes and Wetlands Refuge. On Maui. Link HERE
• Aug 11th, 9am: Hawaii International Joint Conference on Natural Sciences. On Oahu. Link HERE
• Aug 11th, 4pm: Hamakua Marsh Wildlife Sanctuary Forest Restoration. On Oahu. Link HERE
• Aug 11th, 5:30pm: GoFarm Hawaii Common Pests
in the Field. Virtual. Link HERE
• Aug 12th & 13th: Hawaii Invasive Pest Meeting. On Maui. Link HERE
• Aug 12th, 5pm: Surfrider – Executive Committee Chapter Meeting. On Kauaʻi. Link HERE
• Aug 14th thru 17th: Sierra Club – – Puu Makaala Natural Area Reserve System (NARS) Service Project. On Hawaiʻi Island. Link HERE
• Aug 15th, 4pm: Community Crop Swap! On Oahu. Link HERE
• Aug 16th, 8am: Kuli`ou`ou Ridge Trail Restoration: Aloha Tree Alliance. On Oahu. Link HERE
• Aug 16th, 9am: Diamond Head State Monument: Trees for Kaimuki. On Oahu. Link HERE
• Aug 16th: 9am: ʻĀina Momona Workday & Workshop Series. On Oahu. Link HERE
• Aug 16th: Hawaiʻi Bicycling League – Waimānalo Back Roads Clean Up. On Oahu. Link HERE
• Aug 17th, 8am: Sierra Club – – Wawamalu Beach Service Project. On Oahu. Link HERE
• Aug 17th, 9am: Conservation Service – Native Plant Restoration at Wāwāmalu Beach. On Oahu.
Link HERE
• Aug 18th, 4pm: Hamakua Marsh Wildlife Sanctuary Forest Restoration. On Oahu. Link HERE
• Aug 21st, 9am: Waimea Valley – Hānai ‘āina Conservation Workday. On Oahu. Link HERE
• Aug 21st, 5:30pm: GoFarm Maui AgCurious. On Maui. Link HERE
• Aug 22nd, 7:30am: Pu’ukapu Community Fire Safety and Land Stewardship Workshop. On Hawaiʻi Island. Link HERE
• Aug 23rd, 8:30am: Waialeʻe Lako Pono – Community Work Day. On Oahu. Link HERE
• Aug 23rd, 9am: Waipa Foundation – Community Workday. On Kauaʻi. Link HERE
• Aug 23rd: Sierra Club – Wailua Iki Stream Hike. On Maui. Link HERE
• Aug 23rd, 6pm to 9pm: Marine Science Night at Maui Ocean Center. On Maui. Link HERE
• Aug 23rd, 6:30pm: Huliau Food & Film Festival. On Maui. Link HERE
• Aug 24th, 8am: eopala – E-Waste Recycling – The Salvation Army E-Waste Recycling drive. On Oahu. Link HERE
• Aug 24th: Sierra Club – Kapalua Coastal Trail hike and welcome back to our beautiful Kolea. On Maui. Link HERE
• Aug 24th: Bishop Museum Sounds of the Ocean. On Oahu. Link HERE
• Aug 25th, 4pm: Hamakua Marsh Wildlife Sanctuary Forest Restoration. On Oahu. Link HERE
• Aug 26th: Mālama Maunalua – Community Huki – Leeward Community College. On Oahu. Link HERE
• Aug 27-29th: Hawai’i Congress of Planning Officials – Resilient by Design. On Oahu. Link HERE
• Aug 28th, 5pm: State Climate Commission – Resource Fair & Film Event at KEY Project Community Center. On Oahu. Link HERE
• Aug 30th: Sierra Club – Hamakua Malama service outing. On Maui. Link HERE
• Aug 30th, 9:30am: Hawaiian Islands Humpback Whale National Marine Sanctuary – Sanctuary Saturday. On Maui. Link HERE
• Sep 4th thru 27th: Cultivating Taro Course. Hawaiʻi Island. Link HERE
• Sep 6th, 8am: eopala – E-Waste Recycling – ʻŌlelo Fall Free E-Waste Recycling Drive. On Oahu. Link HERE
• Sep 6th, 9am: Kōkua Learning Farm Community Workday. On Oahu. Link HERE
• Sep 6th: Sierra Club – Hanawi (Nahiku area) stream hike. On Maui. Link HERE
• Sep 7th: Sierra Club – Makamaka‘ole Stream (13 Crossings). On Maui. Link HERE
• Sep 13th, 8am to 2pm: Waimea Valley – Kalo & Awa festival. On Oahu. Link HERE
• Sep 14th thru 19th: National Association of State Foresters (NASF): Annual Meeting. On Hawaiʻi Island. Link HERE
• Sep 18th, 9am: Waimea Valley – Hānai ‘āina Conservation Workday. On Oahu. Link HERE
• Sep 19th thru 21st: 2025 Kauaʻi Food Systems Summit. On Kauaʻi. Link HERE
• Sep 20th, 8am to Noon: La Ohana Days at the Waikalua Loko I’a. On Oahu. Link HERE
• Sep 20th, 9am: Keauhou Community Day. On Hawaiʻi Island. Link HERE
• Sep 20th: 9am: ʻĀina Momona Workday & Workshop Series: Designing a Food Forest. On Oahu. Link HERE
• Sep 20th, 9:30am to 3pm: Hala Fest. On Hawaiʻi Island. Link HERE
• Sep 20th: Maui Ocean Center – Sharks After Dark: ‘80s Night. On Maui. Link HERE
• Sep 21st: Sierra Club – Olowalu Valley Hike. On Maui. Link HERE
• Sep 27th: Sierra Club – Hamakua Malama service outing. On Maui. 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, 8:30am: Waialeʻe Lako Pono – Community Work Day. On Oahu. Link HERE
• Sep 27th, 9am: Waipa Foundation – Community Workday. On Kauaʻi. 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
• Oct 3rd thru 30th: The 2025 Trash Show: Hawaiʻi Island Recycles. On Hawaiʻi Island. Link HERE
• Oct 6th, 8:30am: Urban Resilience – UN World Habitat Day. On Oahu. Link HERE
• Oct 8th, 8am: 2025 Maui Stormwater Conference. On Maui. Link HERE
• Oct 10th thru 13th: Kauluhiwaolele Maui Fiber Arts Conference. On Maui. Link HERE
• Oct 16th, 9am: Waimea Valley – Hānai ‘āina Conservation Workday. On Oahu. 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 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: Maui Ocean Center – Fins & Frights. On Maui. Link HERE
• Nov 4th & 5th: 2025 Collection Systems Conference. 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 20th, 9am: Waimea Valley – Hānai ‘āina Conservation Workday. On Oahu. Link HERE
• Nov 22nd, 9am: Waipa Foundation – Community Workday. On Kauaʻi. 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 9th & 10th: THE SECOND INVASIVE SPECIES AND CLIMATE CHANGE CONFERENCE. Virtual. Link HERE
• Dec 18th, 9am: Waimea Valley – Hānai ‘āina Conservation Workday. On Oahu. Link HERE
• Dec 27th, 9am: Waipa Foundation – Community Workday. On Kauaʻi. Link HERE
• Feb 10th thru 12th: Pacific Water Conference. On Oahu. Link HERE
• May 2nd, 8:30am: Surfrider – Youth Dune Restoration and Beach Cleanup. 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.
