Environment nonprofits in Hawaii
Environment nonprofits in Hawaii. Browse 471 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Ka Malu O Kahalawai
EIN 832873910 · Headquarters: Lahaina, HI, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Ka Ohana O Honuapo
EIN 760805214 · Headquarters: Naalehu, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ka Ohana O Kahikinui Inc
EIN 990324040 · Headquarters: KULA, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Kaahahui O Ka Nahelehele
EIN 311806224 · Headquarters: KAMUELA, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Kaehu
EIN 460878846 · Headquarters: WAILUKU, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Kahaluu Kuahewa
EIN 872437523 · Headquarters: KAILUA KONA, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Kahea the Hawaiian Environmental Alliance
EIN 990348025 · Headquarters: HONOLULU, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Kahina Pohaku Corporation
EIN 824151171 · Headquarters: Kaunakakai, HI, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Kai Action Institute
EIN 412922478 · Headquarters: Paia, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Kai Makana Inc
EIN 990340651 · Headquarters: Honolulu, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kai Ola Molokai
EIN 824401064 · Headquarters: KAUNAKAKAI, HI, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Kaiaulu Initiatives
EIN 994608757 · Headquarters: LAHAINA, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Kaiaulu Papaloa
EIN 364868959 · Headquarters: Kapaa, HI, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Kaimuki Orchid Society
EIN 990316299 · Headquarters: Honolulu, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Kakoo Lahui
EIN 333014337 · Headquarters: HONOLULU, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Kalihi Ahupuaa Ulu Pono Ahahui
EIN 202504832 · Headquarters: KAILUA, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kanaka Apau
EIN 394323503 · Headquarters: Kaunakakai, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Kanaka Climbers
EIN 854329937 · Headquarters: Ewa Beach, HI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Kanu Hawaii
EIN 205552831 · Headquarters: HONOLULU, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Kau Agro Forestry Association
EIN 911882596 · Headquarters: Naalehu, HI, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Kauai Ocean Awareness
EIN 384213571 · Headquarters: Kalaheo, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kaulike Project
EIN 992802401 · Headquarters: HONOLULU, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ke Ao Halii
EIN 830653576 · Headquarters: HANA, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Keahole Defense Coalition
EIN 990314255 · Headquarters: KailuaKona, HI, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Keep Hawaii Beautiful
EIN 990312378 · Headquarters: HILO, HI, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Keep the Hawaiian Islands Beautiful
EIN 900411871 · Headquarters: HONOLULU, HI, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Keep the North Shore Country
EIN 204916025 · Headquarters: Haleiwa, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Keiki and Plow
EIN 825008142 · Headquarters: Honolulu, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Khm International
EIN 200987319 · Headquarters: KAUNAKAKAI, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Kilohana Kau
EIN 392119277 · Headquarters: Pahala, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kingdom Pathways
EIN 863341109 · Headquarters: Waianae, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Kipahulu Ohana Inc
EIN 990522409 · Headquarters: HANA, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Kipuka Kuleana Inc
EIN 831710804 · Headquarters: Princeville, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Koa Cloud Forest Conservancy
EIN 415179081 · Headquarters: Ocean View, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kogia
EIN 883688715 · Headquarters: Haiku, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kohala Community Land Tr
EIN 912158394 · Headquarters: Kapaau, HI, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Kohala Lihikai
EIN 453104951 · Headquarters: Kapaau, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kohola Foundation
EIN 851690350 · Headquarters: HONOLULU, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Koloa Community Association
EIN 996015742 · Headquarters: Koloa, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Kona Outdoor Circle Education Center
EIN 990253079 · Headquarters: KAILUAKONA, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Konea Ola
EIN 923343269 · Headquarters: KEALAKEKUA, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ku Kiai Kahuku
EIN 842969037 · Headquarters: Kahuku, HI, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Kua Aina Ulu Auamo
EIN 454509939 · Headquarters: KANEOHE, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Kuamoo Legacy Foundation
EIN 991598564 · Headquarters: Keaau, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kuhialoko
EIN 823621286 · Headquarters: EWA BEACH, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Kuilei Cliffs
EIN 881890727 · Headquarters: Honolulu, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kula Community Watershed Alliance
EIN 412950594 · Headquarters: Kula, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kuleana Innovations
EIN 393002562 · Headquarters: HONOLULU, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kuleana Ka Aina
EIN 332439729 · Headquarters: Pearl city, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- KUPA Friends of Ho'okena Beach Park
EIN 204766531 · Headquarters: Honaunau, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Kupaa Kuilima
EIN 334019589 · Headquarters: KAHUKU, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kupeke Ahupuaa
EIN 850499990 · Headquarters: Kaunakakai, HI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Kure Atoll Conservancy
EIN 264011181 · Headquarters: Volcano, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Kyoto Gardens Park
EIN 990294795 · Headquarters: HONOLULU, HI, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Lahui Foundation
EIN 843807003 · Headquarters: KAHUKU, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Land Use Research Foundation of Hawaii
EIN 990188989 · Headquarters: HONOLULU, HI, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990
- Landscape Industry Council of Hawaii Foundation
EIN 204311698 · Headquarters: KAILUAKONA, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Lanikai Beach and Park Foundation Inc
EIN 990352651 · Headquarters: KAILUA, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Laulima Eco-friendly Farms Hawaii Inc
EIN 352299411 · Headquarters: Honolulu, HI, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Laurie & Mac Lowson Foundation
EIN 863929660 · Headquarters: LAHAINA, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Lean in Inc
EIN 842955639 · Headquarters: Kilauea, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Legasea Energy Foundation
EIN 854399716 · Headquarters: Haleiwa, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Livable Hawaii Kai Hui
EIN 260090676 · Headquarters: Honolulu, HI, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Living Indigenous Forest Ecosystems
EIN 990310225 · Headquarters: Wailuku, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Living Net Zero
EIN 853743500 · Headquarters: Honolulu, HI, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Living Planet Alliance
EIN 821876231 · Headquarters: Pahoa, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Living Roots Initiative
EIN 392635498 · Headquarters: Honolulululu, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Long Spoon Farms
EIN 861603738 · Headquarters: Honolulu, HI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Love the Sea
EIN 475592544 · Headquarters: Haiku, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Lyon Arboretum Association
EIN 237429693 · Headquarters: HONOLULU, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ma'alaea Wastewater Association
EIN 932963028 · Headquarters: Paia, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Maana - Maoli Aquaculture & Agriculture Native Assistance
EIN 813713706 · Headquarters: KAUNAKAKAI, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Makahanaloa Fishing Association
EIN 845148397 · Headquarters: PEPEEKEO, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Makauwahi Cave Reserve
EIN 842431479 · Headquarters: Lihue, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Makawalu Foundation
EIN 861066506 · Headquarters: AIEA, HI, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Malama Haleakala Foundation
EIN 921748165 · Headquarters: MAKAWAO, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Malama Hamakua Maui
EIN 823005887 · Headquarters: HAIKU, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Malama I Ke Ala Pupukea
EIN 474715506 · Headquarters: Haleiwa, HI, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Malama Kahalawai Inc
EIN 990359301 · Headquarters: LAHAINA, HI, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Malama Kama Alaea Inc
EIN 991686938 · Headquarters: Wailuku, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Malama Kauai
EIN 205137488 · Headquarters: LIHUE, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Malama Kipuka Hawaii
EIN 812846291 · Headquarters: Honolulu, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Malama Kua Aina
EIN 383882471 · Headquarters: HANALEI, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Malama Mahaulepu
EIN 990350792 · Headquarters: KOLOA, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Malama Makua
EIN 990338773 · Headquarters: Honolulu, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Malama Maunalua
EIN 364671116 · Headquarters: HONOLULU, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Malama Na Apapa
EIN 205866464 · Headquarters: Anahola, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Malama O Ke Kaha
EIN 934535107 · Headquarters: Kailua Kona, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Malama O Puna
EIN 990349958 · Headquarters: PAHOA, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Malama Pono Kealakekua
EIN 912078798 · Headquarters: Captain Cook, HI, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Malama Pono Nui Loa
EIN 933846838 · Headquarters: Honolulu, HI, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Malama Rising
EIN 882194048 · Headquarters: Waianae, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Malama Waters
EIN 932343513 · Headquarters: Kapaa, HI, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Mana Mentor Inc
EIN 921063149 · Headquarters: LAHAINA, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Manoloa Inc
EIN 824913838 · Headquarters: NINOLE, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Maui Aloha Aina Association
EIN 200820292 · Headquarters: Wailuku, HI, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Maui Association of Landscape Professionals
EIN 990320177 · Headquarters: Wailuku, HI, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Maui Growers and Floriculture Collective
EIN 993051524 · Headquarters: Makawao, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Maui Nui Botanical Gardens Inc
EIN 990320418 · Headquarters: KAHULUI, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Maui Nui Community Managed Makai Area Learning Network
EIN 464895131 · Headquarters: MAKAWAO, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ