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. Mount Healthy Chapter Iwla

    EIN 316049329 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Mount Holly Conservation Trust

    EIN 200061861 · Headquarters: BELMONT, VT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Mount Hood Institute

    EIN 842282762 · Headquarters: SISTERS, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Mount Ida Preservation Association

    EIN 141803759 · Headquarters: Troy, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Mount Pisgah Arboretum

    EIN 237345974 · Headquarters: EUGENE, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Mount Shasta Research Foundation

    EIN 743132428 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Mount St Helens Institute

    EIN 911569993 · Headquarters: AMBOY, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Mount Vernon Community Betterment Council Inc

    EIN 431652542 · Headquarters: Mount Vernon, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Mount Vernon Parks Foundation

    EIN 911337645 · Headquarters: MOUNT VERNON, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Mountain and Sea Foundation

    EIN 393607866 · Headquarters: Chattanooga, TN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. Mountain Area Land Trust

    EIN 846256809 · Headquarters: EVERGREEN, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Mountain Bay Foundation Inc

    EIN 994854899 · Headquarters: Appleton, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Mountain Beautification and Revitalization Association Inc

    EIN 873339244 · Headquarters: Young Harris, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Mountain Bluebird Trails Inc

    EIN 841400208 · Headquarters: Ronan, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Mountain Community Coalition

    EIN 332701292 · Headquarters: FLORISSANT, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Mountain Conservancy of Northern New England

    EIN 464552909 · Headquarters: PHILLIPS, ME, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  17. Mountain Conservation Trust of Georgia Inc

    EIN 582123670 · Headquarters: JASPER, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Mountain Creek Conservancy Inc

    EIN 834062702 · Headquarters: CHATTANOOGA, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Mountain Division Alliance

    EIN 200218321 · Headquarters: Fryeburg, ME, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Mountain Garden Club Inc

    EIN 300546837 · Headquarters: Highlands, NC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Mountain Gardens

    EIN 881172973 · Headquarters: Burnsville, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Mountain High Hikers Inc

    EIN 462468533 · Headquarters: Hayesville, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Mountain Ivy Garden Club

    EIN 275121126 · Headquarters: Tiger, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Mountain Journal Inc

    EIN 821846471 · Headquarters: HELENA, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Mountain Keepers

    EIN 562279612 · Headquarters: Boone, NC, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  26. Mountain Kids Christmas Fund Inc

    EIN 330593192 · Headquarters: Crestline, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  27. Mountain Lake Community Assoc

    EIN 222467080 · Headquarters: GREAT MEADOWS, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Mountain Laurel Foundation

    EIN 856289757 · Headquarters: Johnson City, TN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. Mountain Laurel Trail Assoc Inc

    EIN 061323588 · Headquarters: KENT, CT, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. Mountain Luminary

    EIN 742488384 · Headquarters: Mountain View, AR, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  31. Mountain Man Back Country Horsemen

    EIN 262141600 · Headquarters: Pinedale, WY, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  32. Mountain Meadows Conservancy

    EIN 680475028 · Headquarters: WESTWOOD, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Mountain Park Watershed Preservation Society Inc

    EIN 201447293 · Headquarters: Roswell, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Mountain Pursuit

    EIN 831590622 · Headquarters: Jackson, WY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Mountain Resource Conservation and Development Area Inc

    EIN 550697190 · Headquarters: Beckley, WV, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Mountain Rim Fire Safe Council Inc

    EIN 330851413 · Headquarters: Running Springs, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Mountain South Source

    EIN 451512116 · Headquarters: Los Gatos, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  38. Mountain State Clean Streams Inc

    EIN 800368926 · Headquarters: Duck, WV, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Mountain States Concrete Pipe Assoc

    EIN 840673945 · Headquarters: SANDY, UT, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  40. Mountain States Energy Alliance

    EIN 841496482 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  41. Mountain Studies Institue

    EIN 731644103 · Headquarters: DURANGO, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Mountain Thyme Herb Society

    EIN 822272980 · Headquarters: Durango, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Mountain Trails Foundation

    EIN 870514223 · Headquarters: PARK CITY, UT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Mountain Valley Community Challenge Inc

    EIN 043364484 · Headquarters: Londonderry, VT, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  45. Mountain Valleys Resource Conservation & Development Council

    EIN 581767802 · Headquarters: Marshall, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Mountain View Central Business Association

    EIN 770151816 · Headquarters: MOUNTAIN VIEW, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  47. Mountain View Drive Road Association

    EIN 237216606 · Headquarters: Lafayette, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  48. Mountain View Garden Club

    EIN 900418551 · Headquarters: WAYNESVILLE, NC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Mountain View Iris Festival

    EIN 813884956 · Headquarters: Mountain View, AR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Mountain View Lakes Foundation Inc

    EIN 222453376 · Headquarters: OWLS HEAD, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. Mountain View Nature Preserve & Botanical Garden

    EIN 334653427 · Headquarters: Daphne, AL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Mountain View Residents Association

    EIN 232460317 · Headquarters: Jamison, PA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  53. Mountain Voices Alliance

    EIN 260521811 · Headquarters: Asheville, NC, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Mountain Watershed Association

    EIN 251730301 · Headquarters: Kempton, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Mountain West Environmental Labor Coalition

    EIN 451654046 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  56. Mountain Wildflower Foundation Inc

    EIN 810467194 · Headquarters: WINDERMERE, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. Mountain Youth Outfitters

    EIN 854289817 · Headquarters: REPUBLIC, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Mountainfilm Atl Inc

    EIN 471265877 · Headquarters: Atlanta, GA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. MountainTrue

    EIN 561422691 · Headquarters: Asheville, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Mourning Cloak Conservation Burial

    EIN 412490261 · Headquarters: LITTLE ROCK, AR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Mourning Tree Memorial Sanctuary

    EIN 680454089 · Headquarters: PALO CEDRO, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  62. Mousam Lake Region Association

    EIN 222510524 · Headquarters: Springvale, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Move Beyond the Grid

    EIN 815260395 · Headquarters: Brandon, MS, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  64. Movement Education Outdoors

    EIN 933527137 · Headquarters: Providence, RI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Moving Mountains

    EIN 472490207 · Headquarters: Providence, RI, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  66. Moving Mountains

    EIN 832766698 · Headquarters: SAN FRANCISCO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Mow & Sow

    EIN 943239102 · Headquarters: Salyer, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Moxie Hoops

    EIN 991502134 · Headquarters: Middleton, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Mrb Hydrologic Environment Research Inc

    EIN 341766652 · Headquarters: Columbiana, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. MRB Research Inc

    EIN 680451540 · Headquarters: Little River, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  71. Mrs Hudsons Gear Table Inc

    EIN 873272698 · Headquarters: CRAGSMOOR, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Ms Mariposa Butterfly Resource Bus

    EIN 881249556 · Headquarters: Galesburg, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Msc Foundation

    EIN 460639843 · Headquarters: PITTSBURGH, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Mt Adams Institute

    EIN 453308913 · Headquarters: TROUT LAKE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Mt Adams Resource Stewards

    EIN 510503978 · Headquarters: GLENWOOD, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Mt Auburn Garden Initiative

    EIN 991939097 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Mt Florence Irrigators Association

    EIN 262758682 · Headquarters: Richland, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Mt Hood Rock Club

    EIN 936031135 · Headquarters: Gresham, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Mt Hood Stewardship Council

    EIN 931226114 · Headquarters: WELCHES, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Mt Laguna Community Gardens & Charities Inc

    EIN 471043171 · Headquarters: MOUNT LAGUNA, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  81. Mt Mountain Mamas

    EIN 832772033 · Headquarters: BOZEMAN, MT, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  82. Mt Paran Woods Garden Club Inc

    EIN 311808851 · Headquarters: Atlanta, GA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Mt Sopris Recreational Riders Inc

    EIN 840806379 · Headquarters: Carbondale, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Mt Sopris Recreational Riders Inc

    EIN 841224262 · Headquarters: Carbondale, CO, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  85. Mt Vernon Subdivision Entrance Committee

    EIN 571189477 · Headquarters: Dallas, GA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  86. Mtn Trail Riders Assoc Inc

    EIN 270403075 · Headquarters: Bluff City, TN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. Muchia Te Indigenous Land Trust

    EIN 881167625 · Headquarters: Half Moon Bay, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Mud Creek Conservancy Inc

    EIN 351941536 · Headquarters: INDIANAPOLIS, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Mud Run Conservancy

    EIN 824229895 · Headquarters: Enon, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Muddy Branch Alliance Inc

    EIN 452490551 · Headquarters: Gaithersburg, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Muddy Pond Trust Inc Attention Charles Smith

    EIN 832847030 · Headquarters: DUXBURY, MA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  92. Muddy River Regional Environmental - Mrreiac

    EIN 880346629 · Headquarters: MOAPA, NV, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  93. Mudge Pond Association Inc

    EIN 332573442 · Headquarters: Sharon, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Mudpuppy Palace Inc

    EIN 882070205 · Headquarters: Mount Vernon, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Muenster Proud Inc

    EIN 752791345 · Headquarters: Muenster, TX, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  96. Mugunghwa Association USA

    EIN 330825803 · Headquarters: ANAHEIM, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  97. Muir Foundation

    EIN 932982547 · Headquarters: Petoskey, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Mujeres Latinas Sc

    EIN 882662748 · Headquarters: Mount Pleasant, SC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Mukilteo Way Garden Club

    EIN 911689711 · Headquarters: Mukilteo, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Mulberry River Society

    EIN 465172956 · Headquarters: OZARK, AR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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