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. Hancock Lake Association Inc

    EIN 421693275 · Headquarters: Harshaw, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Hancock Park Garden Club

    EIN 954766035 · Headquarters: LOS ANGELES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Hands Across the Lake

    EIN 541595394 · Headquarters: Midlothian, VA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  4. Hands Across the Sand Inc

    EIN 273422787 · Headquarters: SANTA ROSA BEACH, FL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. Hands on - a Child's Gallery

    EIN 830397594 · Headquarters: HENDERSONVILLE, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Hanford Bonsai Society Corporation

    EIN 237157025 · Headquarters: Hanford, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  7. Hanford Challenge Corporation

    EIN 261382433 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Hangar 24 Craft Charities

    EIN 461723972 · Headquarters: Redlands, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Hank Gianvecchio Natural Habitat Area Foundation

    EIN 460934601 · Headquarters: Bloomingdle, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Hannig Environmental Research Organization Hero

    EIN 921108128 · Headquarters: SAN CARLOS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Hanover Conservancy

    EIN 026011149 · Headquarters: Hanover, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Hanover County Clean Technology Innovation Center

    EIN 271229777 · Headquarters: ASHLAND, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Hanover Garden Club

    EIN 043232345 · Headquarters: Hanover, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Hanover Park Park Foundation

    EIN 363993084 · Headquarters: HANOVER PARK, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Hanover Road Association Inc

    EIN 521782079 · Headquarters: Upperco, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Hans Saari Memorial Fund

    EIN 205847925 · Headquarters: Bozeman, MT, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  17. Hansberry Garden & Nature Center Inc

    EIN 200255533 · Headquarters: Philadelphia, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Hanson Garden Club

    EIN 043291593 · Headquarters: halifax, MA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  19. Hapa Kabsat

    EIN 931412194 · Headquarters: Palo Alto, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Hapeville Clean and Beautiful Commission

    EIN 811045570 · Headquarters: Hapeville, GA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  21. Happiness Project

    EIN 200278984 · Headquarters: Greenwood Village, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Happy Coast

    EIN 832217436 · Headquarters: LAKE ORION, MI, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  23. Happy Goat Inc

    EIN 871433960 · Headquarters: MARIPOSA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Happy Healthy and Free

    EIN 471404283 · Headquarters: ORLANDO, FL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  25. Happy Life Entitled

    EIN 811524838 · Headquarters: Gainesville, FL, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  26. Happy Lot Farm and Garden

    EIN 994430610 · Headquarters: Richmond, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Happy Planet

    EIN 825109093 · Headquarters: Grafton, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Happy Roots Inc

    EIN 810837876 · Headquarters: SALISBURY, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Happy to Help Cambodia

    EIN 470994662 · Headquarters: Decatur, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Happy Tonics

    EIN 261911547 · Headquarters: Shell Lake, WI, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  31. Happy Trails Foundation Corporation

    EIN 331981574 · Headquarters: VIRGINIA BCH, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Happy Trails of the Locust Fork

    EIN 332650379 · Headquarters: Albertville, AL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Harbor Cleanup Foundation

    EIN 395039922 · Headquarters: HUNTINGTON BEACH, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Harbor Community Benefit Foundation

    EIN 452487333 · Headquarters: Wilmington, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Harbor Country Hikers

    EIN 821518088 · Headquarters: New Buffalo, MI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Harbor District Inc

    EIN 471388101 · Headquarters: MILWAUKEE, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Harbor Environmental Patrol Inc

    EIN 261737753 · Headquarters: VALLEY STREAM, NY, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  38. Harbor Friends

    EIN 260109014 · Headquarters: Fridley, MN, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  39. Harbor Island Conservancy Inc

    EIN 300154652 · Headquarters: MAMARONECK, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Harbor Island Inc

    EIN 621229102 · Headquarters: OLD HICKORY, TN, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  41. Harbor Island Oceanfront Property Owners Group

    EIN 473045067 · Headquarters: Saint Helena Island, SC, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Harbor Shores Public Asset Fund Inc

    EIN 464405437 · Headquarters: BENTON HARBOR, MI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Harbor Wildwatch

    EIN 204205938 · Headquarters: GIG HARBOR, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Harborarts Inc

    EIN 270393929 · Headquarters: EAST BOSTON, MA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  45. Hard Tech for Humanity

    EIN 844973484 · Headquarters: ROME, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Hardeeville Garden Club of South Carolina

    EIN 993593641 · Headquarters: Hardeeville, SC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Harden Brighter Future Initiative

    EIN 812939877 · Headquarters: Hampton, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Harding Land Trust

    EIN 223084414 · Headquarters: NEW VERNON, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Harding Township Friends of Trees Inc

    EIN 223744776 · Headquarters: NEW VERNON, NJ, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  50. Hardscrabble Garden Club

    EIN 202184597 · Headquarters: Fort Smith, AR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Hardwick Pond Preservation Association Inc

    EIN 813064120 · Headquarters: Walpole, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Hardwood Forest Foundation Inc

    EIN 581933716 · Headquarters: Orange, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Hardwood Forestry Fund

    EIN 541674210 · Headquarters: STERLING, VA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. Hardy Plant Garden Club of Bend Oregon

    EIN 452464721 · Headquarters: Bend, OR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Hardy Plant Society of New England Connecticut Chapter Inc

    EIN 061615495 · Headquarters: Franklin, CT, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  56. Hardy Plant Society of Washington

    EIN 900507647 · Headquarters: Mountlake Terrace, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Hardy Pond Association Inc

    EIN 223239685 · Headquarters: Waltham, MA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  58. Hares Pond Recreational Park Inc

    EIN 830352173 · Headquarters: ROWLEY, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Harford County Climate Action

    EIN 475326183 · Headquarters: Bel Air, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Harford Glen Foundation Inc

    EIN 521737815 · Headquarters: BEL AIR, MD, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  61. Harford Land Trust Inc

    EIN 521721553 · Headquarters: BEL AIR, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Harin

    EIN 991148506 · Headquarters: TUSTIN, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. Harlem Civic Association

    EIN 753196149 · Headquarters: Harlem, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Harlem Grown

    EIN 274250636 · Headquarters: New York, NY, United States · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Harmonic Earth

    EIN 810831759 · Headquarters: OJAI, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  66. Harmony Center Inc

    EIN 200314140 · Headquarters: Wayland, MA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  67. Harmony Coast Aquaculture Institute

    EIN 873092394 · Headquarters: Arroyo Grande, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Harmony Land Caretakers Inc

    EIN 932347161 · Headquarters: Tiburon, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Harney County Watershed Council Inc

    EIN 931251362 · Headquarters: Hines, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Harpeth Conservancy

    EIN 621802858 · Headquarters: BRENTWOOD, TN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Harpswell Heritage Land Trust

    EIN 222552116 · Headquarters: Harpswell, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Harriman Pond Lake Association

    EIN 413740854 · Headquarters: Dedham, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Harris Center for Conservation Education Inc

    EIN 237085105 · Headquarters: HANCOCK, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Harris County Master Gardener Assoc

    EIN 208753042 · Headquarters: Houston, TX, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Harris County Wcid No 132 Water Conservation Demonstration And

    EIN 274644715 · Headquarters: Tomball, TX, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  76. Harris Custer Estates Water

    EIN 911180080 · Headquarters: Oak Harbor, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Harris Lake Association Inc

    EIN 391990596 · Headquarters: VERONA, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Harris Ranch Wildlife Mitigation As

    EIN 274403659 · Headquarters: BOISE, ID, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. Harrisburg Clean Streets Project Inc

    EIN 263981887 · Headquarters: Harrisburg, PA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  80. Harrisburg Peace Garden Association

    EIN 851353044 · Headquarters: Harrisburg, PA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  81. Harrison Beautification Foundation Inc

    EIN 134134819 · Headquarters: Harrison, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Harrison County Master Gardener Association

    EIN 752785216 · Headquarters: Marshall, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Harrison County Native Habitat Alliance Inc

    EIN 854236907 · Headquarters: Corydon, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Harrison Park Mutual Water Co

    EIN 956092827 · Headquarters: Julian, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Harrison Rail Trails Inc

    EIN 812157204 · Headquarters: Clarksburg, WV, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Harrisons Bay Association

    EIN 873347514 · Headquarters: Mound, MN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Harrisville Pond Association

    EIN 020356904 · Headquarters: Harrisville, NH, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  88. Harrods Creek Land Trust Inc D/b/a/ Oldham Ahead Inc

    EIN 611221471 · Headquarters: CRESTWOOD, KY, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  89. Harsens Island Conservation Assoc

    EIN 272090743 · Headquarters: HARSENS ISLAND, MI, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  90. Hart County Botanical Garden Inc

    EIN 261777792 · Headquarters: Hartwell, GA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Hart Four Corners Project Inc

    EIN 834689080 · Headquarters: Hartwell, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Hartford Audubon Society Inc

    EIN 237118929 · Headquarters: West Hartford, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Hartford Botanical Garden Planning Committee Inc

    EIN 061544913 · Headquarters: Hartford, CT, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  94. Hartford Land Bank Inc

    EIN 823965276 · Headquarters: HARTFORD, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Hartford Proud and Beautiful Foundation Inc

    EIN 223115001 · Headquarters: HARTFORD, CT, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  96. Hartland Nature Club

    EIN 030367535 · Headquarters: Hartland, VT, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  97. Hartley Mason Reservation Co Jeffrey W Mcconnell

    EIN 010486407 · Headquarters: YORK, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Hartley Nature Center

    EIN 363507636 · Headquarters: DULUTH, MN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Hartman Arboretum Inc

    EIN 352140627 · Headquarters: EVANSVILLE, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  100. Harvard Club of Ny Historical Foundation

    EIN 271328897 · Headquarters: NEW YORK, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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