Environment nonprofits

Environment nonprofits. Browse 35,718 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

  1. Honouliwai Ola

    EIN 311689252 · Headquarters: Kaunakakai, HI, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  2. Hons Healthy Kitchen

    EIN 331693026 · Headquarters: Charlottesville, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Honua Kai-west Maui Comm Benefit Fund Inc

    EIN 263584058 · Headquarters: LAHAINA, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Hoober Brothers Foundation

    EIN 392860238 · Headquarters: Miami, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Hood Canal Environmental Council

    EIN 911340399 · Headquarters: Seabeck, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Hood Canal Gravel Mine Opposition Association

    EIN 831275560 · Headquarters: Belfair, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Hood County Clean Air Coalition

    EIN 474002992 · Headquarters: Granbury, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Hood River Watershed Group

    EIN 883028293 · Headquarters: HOOD RIVER, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Hooks N Triggers Outdoors

    EIN 842326237 · Headquarters: Watsontown, PA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Hoola Aina O Kula

    EIN 874454254 · Headquarters: KULA, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. Hoomalu Ke Kai

    EIN 863570359 · Headquarters: Lawai, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Hoomau Ranch Conservancy

    EIN 822037512 · Headquarters: HONOLULU, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Hoople Beautification Committee

    EIN 920385279 · Headquarters: HOOPLE, ND, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Hoosic River Watershed Association

    EIN 042940625 · Headquarters: WILLIAMSTOWN, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Hoosier Conservancy

    EIN 393283810 · Headquarters: Angola, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Hoosier Environmental Council Inc

    EIN 351576694 · Headquarters: Indianapolis, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Hoosier Heartland Resource Conservation and Development Counc

    EIN 351595715 · Headquarters: Greenwood, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Hoosier Hikers Council Inc

    EIN 351947457 · Headquarters: Martinsville, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Hoosier Mushroom Society Incorporated

    EIN 462213945 · Headquarters: Marion, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Hoosier Organic Marketing Education Inc

    EIN 351904351 · Headquarters: Bloomington, IN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Hoosier Releaf Inc

    EIN 351867687 · Headquarters: Fort Wayne, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Hop River Trail Alliance Inc

    EIN 931563263 · Headquarters: Bolton, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Hopatcong Community Garden

    EIN 462380845 · Headquarters: HOPATCONG, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Hope Botanical Garden

    EIN 822058272 · Headquarters: Leoma, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Hope for Bristol

    EIN 874126723 · Headquarters: BRISTOL, TN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Hope for Earth Inc

    EIN 992752933 · Headquarters: River Falls, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Hope for Humanity International

    EIN 933215202 · Headquarters: CARSON CITY, NV, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  28. Hope Grows Arizona

    EIN 923065775 · Headquarters: Snowflake, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Hope Grows Garden

    EIN 831156499 · Headquarters: Gilbert, AZ, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  30. Hope Grows International Development

    EIN 262597730 · Headquarters: Boone, NC, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  31. Hope in a Wishing Well

    EIN 854272931 · Headquarters: Grand Prairie, TX, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  32. Hope in the Hills Incorporated Healing Appalachia

    EIN 823221120 · Headquarters: HUNTINGTON, WV, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Hope to Action

    EIN 870803953 · Headquarters: SAN FRANCISCO, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  34. Hopeful Hearts

    EIN 853297799 · Headquarters: Pensacola, FL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Hopewell Fish & Game Association

    EIN 237368971 · Headquarters: STEWARTSTOWN, PA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Hopewell Tree Stewards

    EIN 873238868 · Headquarters: CHESTER, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Hopfinger-zimmerman Memorial Park

    EIN 813728952 · Headquarters: PORT CLINTON, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  38. Hopkinton Area Land Trust Inc

    EIN 043270697 · Headquarters: WOODVILLE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Hops & Petals

    EIN 392511051 · Headquarters: West Linn, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Horizon Climate Initiative

    EIN 921612922 · Headquarters: CHARLOTTESVILLE, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Horizon of Hope Inc

    EIN 934410095 · Headquarters: WOODBINE, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Horizons Business Park Association

    EIN 320503910 · Headquarters: RIVERSIDE, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Horry County Conservation Foundation Onc

    EIN 570713563 · Headquarters: Conway, SC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Horse Country Miami Inc

    EIN 820620971 · Headquarters: Miami, FL, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  45. Horse Creek Trust

    EIN 473388286 · Headquarters: GRANITEVILLE, SC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Horse Creek Trust Resource Management

    EIN 823881427 · Headquarters: GRANITVILLE, SC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Horse Farms Forever Inc

    EIN 830926072 · Headquarters: OCALA, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Horseshoe Lake Association Inc

    EIN 300205174 · Headquarters: McGregor, MN, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  49. Horseshoe Lake Property Association

    EIN 320305224 · Headquarters: BLAINE, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Horseshoe Pond Deer River Flow Association Inc

    EIN 202200666 · Headquarters: Malone, NY, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  51. Horticultural Club of Boston

    EIN 043227920 · Headquarters: chestnut hill, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Horticultural Institute of Advanced Bamboo Studies Ltd

    EIN 208879341 · Headquarters: MCMINNVILLE, TN, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  53. Horticultural Research Institute Inc

    EIN 521052547 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Horticultural Society of Boxford Inc

    EIN 043515532 · Headquarters: Boxford, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Horticultural Society of Md Inc

    EIN 521277255 · Headquarters: LUTHERVILLETIMONIUM, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Horticultural Society of South Jersey

    EIN 226076475 · Headquarters: Cherry Hill, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Horticulture Association of Metro Saint Lous

    EIN 200146487 · Headquarters: Saint Louis, MO, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  58. Horticulture for Healing

    EIN 844743072 · Headquarters: Tampa, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Hortulus Inc

    EIN 066083165 · Headquarters: GREENWICH, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Hortus Arboretum and Botanical Gardens Inc

    EIN 833618594 · Headquarters: STONE RIDGE, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Hospitality for Trees Inc

    EIN 932636894 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Hosta Seed Growers

    EIN 352468280 · Headquarters: iowa city, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Hosta Society of Greater Cincinnati

    EIN 815118373 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Hostel in the Forest Land Trust Inc

    EIN 205155756 · Headquarters: Brunswick, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Hot Wells Conservancy

    EIN 463306811 · Headquarters: San Antonio, TX, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Hotfix Earth INC

    EIN 474171654 · Headquarters: Hallandale, FL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  67. Hoto9cycle Corp

    EIN 994831732 · Headquarters: NORTH JACKSON, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Hotplanetrepairteaminc

    EIN 872354042 · Headquarters: Naples, FL, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  69. Houghton Lake Charter of the American Business Womens Assoc

    EIN 382514962 · Headquarters: Houghton Lake, MI, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  70. Houghton Lake Lake Association

    EIN 237403942 · Headquarters: Houghton Lake, MI, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  71. Houghton Plot Incorporated

    EIN 822914461 · Headquarters: Corning, NY, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  72. Hourglass Climate

    EIN 991349001 · Headquarters: MONTCLAIR, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Housatonic Audubon Society Inc

    EIN 510161436 · Headquarters: Sharon, CT, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  74. Housatonic Environmental Action League Inc

    EIN 061618175 · Headquarters: Cornwall Bridge, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Housatonic River Initiative Inc

    EIN 043262020 · Headquarters: LEE, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Housatonic the Beautiful Fund Inc

    EIN 043251332 · Headquarters: Housatonic, MA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  77. Housatonic Valley Association Inc

    EIN 066049295 · Headquarters: CORNWALL BRIDGE, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. House of Prayer for All People Elijah Endtime Ministries Inc

    EIN 883388387 · Headquarters: Port Deposit, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. House of Ujima Inc

    EIN 882297357 · Headquarters: Philadelphia, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. House on Fire

    EIN 863850122 · Headquarters: Newbury Park, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. House Springs Preservation Inc

    EIN 853616639 · Headquarters: Eureka, MO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Housing As A Platform Inc

    EIN 851623289 · Headquarters: San Marcos, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Houston Arboretum & Nature Center

    EIN 741587880 · Headquarters: Houston, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Houston Area Urban Forestry Council

    EIN 320108650 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Houston Big Game Fishing Club

    EIN 201328710 · Headquarters: KEMAH, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Houston Botanic Garden

    EIN 043695294 · Headquarters: Houston, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Houston Botanic Garden Endowment Fund

    EIN 883020715 · Headquarters: Houston, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Houston Clean City Commission Inc

    EIN 741946081 · Headquarters: HOUSTON, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Houston Energy Forum

    EIN 921078989 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Houston Gulf Coast Ccim Chapter

    EIN 911864351 · Headquarters: HOUSTON, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Houston Outdoor Learning Academy Inc

    EIN 760632362 · Headquarters: Spring, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Houston Regional Monitoring

    EIN 300276347 · Headquarters: Baytown, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Houston Tomorrow

    EIN 760602346 · Headquarters: HOUSTON, TX, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  94. Houston Tree Initiative

    EIN 394724159 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Houston Urban Growers

    EIN 454352927 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Houston Wilderness Inc

    EIN 421573695 · Headquarters: HOUSTON, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. How Do We Sustain

    EIN 863197108 · Headquarters: Dayton, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Howard Beach Hope Inc

    EIN 852271195 · Headquarters: HOWARD BEACH, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Howard County Energy District

    EIN 821216424 · Headquarters: CRESCO, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Howard County Environmental & Conservation Education Foundation

    EIN 141950435 · Headquarters: Cresco, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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