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. Friends of Martin Dies State Park

    EIN 753005408 · Headquarters: Jasper, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Friends of Martin Meadow Pond

    EIN 371779372 · Headquarters: Marlborough, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Friends of Mary Lake

    EIN 812565584 · Headquarters: Redding, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Friends of Massapequa Preserve Inc

    EIN 113570165 · Headquarters: MASSAPEQUA, NY, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  5. Friends of Matanzas Inc

    EIN 593476720 · Headquarters: ST AUGUSTINE, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Friends of Matanzas Pass Preserve Inc

    EIN 650708636 · Headquarters: FORT MYERS, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Friends of Maumee Bay State Park

    EIN 341796290 · Headquarters: OREGON, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Friends of Maydale Conservation Park Inc

    EIN 842667924 · Headquarters: Burtonsville, MD, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. Friends of Mcallister Park San Antonio Inc

    EIN 884395143 · Headquarters: San Antonio, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Friends of Mccarthy Park Inc

    EIN 392027829 · Headquarters: Cottage Grove, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Friends of Mccoll Pond

    EIN 900613656 · Headquarters: Savage, MN, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  12. Friends of Mcconnell

    EIN 334739287 · Headquarters: WICHITA, KS, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Friends of Mcconnells Mill State Park Inc

    EIN 251864357 · Headquarters: NEW WILMINGTON, PA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  14. Friends of Mccormicks Creek State Park Inc

    EIN 352004784 · Headquarters: SPENCER, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Friends of Mcdowell Park

    EIN 860774796 · Headquarters: Fountain Hills, AZ, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. Friends of Mcgilvray Road Inc

    EIN 391657050 · Headquarters: La Crosse, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Friends of Mckinney Falls State Park

    EIN 412192816 · Headquarters: Austin, TX, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Friends of Mcpherson Park Inc

    EIN 472936548 · Headquarters: Greenville, SC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Friends of Mead 2016

    EIN 814271034 · Headquarters: Mead, WA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  20. Friends of Medfield Forests & Trails Inc

    EIN 043273763 · Headquarters: Medfield, MA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  21. Friends of Medina County Oh Dog Shelter

    EIN 991707580 · Headquarters: MEDINA, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Friends of Medina County Parks Inc

    EIN 341833809 · Headquarters: Medina, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Friends of Memorial Circle Inc

    EIN 471061065 · Headquarters: ROCKAWAY PARK, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Friends of Memorial Lake State Park Complex

    EIN 464435732 · Headquarters: Grantville, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Friends of Mercy Siena Woods

    EIN 311385604 · Headquarters: KETTERING, OH, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  26. Friends of Merrymeeting Bay

    EIN 223129007 · Headquarters: RICHMOND, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. Friends of Messalonskee

    EIN 010465774 · Headquarters: OAKLAND, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Friends of Metea

    EIN 351831951 · Headquarters: Grabill, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Friends of Metroparks of Butler County

    EIN 463299413 · Headquarters: Hamilton, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Friends of Michael Huber Preserve Inc

    EIN 825335911 · Headquarters: Tabenacle, NJ, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Friends of Milam Creek

    EIN 273475409 · Headquarters: McGraws, WV, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Friends of Mill Ridge Park

    EIN 814617752 · Headquarters: Antioch, TN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Friends of Millbury Nature Trails Inc

    EIN 392644215 · Headquarters: Millbury, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Friends of Miller Bay

    EIN 550860910 · Headquarters: Suquamish, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Friends of Miller Peninsula State Park

    EIN 911503561 · Headquarters: Sequim, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Friends of Milton Township

    EIN 383629407 · Headquarters: Naples, FL, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. Friends of Mindowaskin Park Inc

    EIN 521772559 · Headquarters: WESTFIELD, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Friends of Mine Dock Park

    EIN 371739472 · Headquarters: Fort Montgomery, NY, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Friends of Minnesota Scientific and Natural Areas

    EIN 474197414 · Headquarters: Mound, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Friends of Minnetonka Parks

    EIN 870973087 · Headquarters: Minnetonka, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Friends of Mirror Lake State Park

    EIN 371439852 · Headquarters: BARABOO, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Friends of Mission Canyon Inc

    EIN 753241600 · Headquarters: SANTA BARBARA, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Friends of Mission Trail Nature Preserve

    EIN 900937243 · Headquarters: Carmel, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Friends of Mississinewa Lake Inc

    EIN 833501225 · Headquarters: Peru, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Friends of Mississippi Corps Lakes

    EIN 462911517 · Headquarters: New Albany, MS, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  46. Friends of Missoula Parks Inc

    EIN 810570189 · Headquarters: MISSOULA, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Friends of Mitchell Park Inc

    EIN 273411977 · Headquarters: GREENPORT, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Friends of Mobile Trees

    EIN 873632969 · Headquarters: Mobile, AL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Friends of Moeckel Pond

    EIN 274622298 · Headquarters: WINDHAM, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Friends of Mohawk Trail State

    EIN 043229134 · Headquarters: FLORENCE, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Friends of Molokini

    EIN 920785119 · Headquarters: KIHEI, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Friends of Mono Pond State Park Inc

    EIN 884062116 · Headquarters: COLUMBIA, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Friends of Monson Pond

    EIN 881497897 · Headquarters: Fort Fairfield, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Friends of Montana Streams and Rivers

    EIN 991936601 · Headquarters: West Glacier, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Friends of Monte Ne

    EIN 471732959 · Headquarters: ROGERS, AR, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  56. Friends of Monteverde Cloud Forest Reserve

    EIN 311299922 · Headquarters: CLEVELAND, OH, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  57. Friends of Montrose Park

    EIN 383841105 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Friends of Monument Preserve

    EIN 841503376 · Headquarters: Monument, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Friends of Monument Valley Park Inc

    EIN 841589887 · Headquarters: Colorado Springs, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Friends of Moose Lake

    EIN 272581711 · Headquarters: Antigo, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Friends of Moratock Scouters Inc

    EIN 200672800 · Headquarters: Roanoke Rapids, NC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Friends of Morris Park

    EIN 993604581 · Headquarters: Keosauqua, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Friends of Morrison Knudsen Nature Center

    EIN 464834270 · Headquarters: Boise, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Friends of Morro Elementary

    EIN 334879935 · Headquarters: MORRO BAY, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Friends of Mount Adams

    EIN 270665753 · Headquarters: White Salmon, WA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  66. Friends of Mount Agamenticus

    EIN 833131391 · Headquarters: Cape Neddick, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Friends of Mount Evans & Lost Creek Wildernesses

    EIN 203783342 · Headquarters: EVERGREEN, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Friends of Mount Sunapee

    EIN 920184305 · Headquarters: Georges Mills, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Friends of Mountain View Parks

    EIN 862654735 · Headquarters: Mountain View, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Friends of Mounts Botanical Garden Inc

    EIN 592418059 · Headquarters: WEST PALM BEACH, FL, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  71. Friends of Mt Spokane State Park

    EIN 911701030 · Headquarters: Spokane, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Friends of Muir Valley Inc

    EIN 262957518 · Headquarters: ROGERS, KY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Friends of Multnomah Falls

    EIN 943123486 · Headquarters: Troutdale, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Friends of Murgoitio Park Inc

    EIN 871250277 · Headquarters: BOISE, ID, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Friends of Muscle Beach

    EIN 460602163 · Headquarters: SANTA MONICA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Friends of Muscongus Bay

    EIN 465190042 · Headquarters: Chamberlain, ME, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  77. Friends of Mustang Island State Park

    EIN 843021459 · Headquarters: Corpus Christi, TX, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Friends of Myakka River Inc

    EIN 650448875 · Headquarters: SARASOTA, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. Friends of Myles Standish State Forest

    EIN 260226578 · Headquarters: Carver, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Friends of Nachusa Grasslands

    EIN 263303031 · Headquarters: FRANKLIN GROVE, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Friends of Namekagon Barrens Wildlife Area

    EIN 640954634 · Headquarters: Spooner, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Friends of Narberth Park Inc

    EIN 921526852 · Headquarters: Narberth, PA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Friends of Narrow River Inc

    EIN 831951611 · Headquarters: Brooklyn, NY, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. Friends of Nashawannuck Pond Inc

    EIN 921275578 · Headquarters: Easthampton, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Friends of Nassau County Bailey Arboretum Inc

    EIN 510190936 · Headquarters: LOCUST VALLEY, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Friends of Nathan Bedford Forrest State Park

    EIN 203572495 · Headquarters: Camden, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Friends of Nathan Hale Horticulture and Urban Farm

    EIN 811350334 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Friends of Nature of the Wild

    EIN 811385963 · Headquarters: Cadillac, MI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Friends of Nauset Beach

    EIN 831124405 · Headquarters: ORLEANS, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Friends of Nauset Inc

    EIN 050562431 · Headquarters: cambridge, MA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  91. Friends of Nay Aug Park

    EIN 931621778 · Headquarters: SCRANTON, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Friends of Nebraska City Riverview Nature Park

    EIN 825110393 · Headquarters: Nebraska City, NE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Friends of Nebraska Monarchs Incorporated

    EIN 921478690 · Headquarters: Omaha, NE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Friends of Neches River National Wildlife Refuge

    EIN 464963640 · Headquarters: Jacksonville, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Friends of Nedonna Marsh

    EIN 822206411 · Headquarters: Rockaway Beach, OR, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  96. Friends of Nelder Grove Inc

    EIN 272916087 · Headquarters: Clovis, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Friends of Nelha

    EIN 010575126 · Headquarters: KAILUA KONA, HI, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  98. Friends of Netarts Bay Watershed Estuary Beach and Sea

    EIN 562624972 · Headquarters: Netarts, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Friends of New Baltimore Recreation Inc

    EIN 475195232 · Headquarters: Germantown, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Friends of New Britain Parks Inc

    EIN 831053718 · Headquarters: NEW BRITAIN, PA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

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