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. Marlborough East Neighborhood Association

    EIN 462508569 · Headquarters: Kansas City, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Marne Conservation Club

    EIN 386087001 · Headquarters: MARNE, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Marple Beautification Association Inc

    EIN 010554844 · Headquarters: BROOMALL, PA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  4. Marquette Beautification & Restoration Committee Inc

    EIN 383156522 · Headquarters: MARQUETTE, MI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Marquette Historical District

    EIN 392008989 · Headquarters: Kewaunee, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Marrowbone Preservation Society Inc

    EIN 621539144 · Headquarters: JOELTON, TN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Marsb Incorporated

    EIN 883196049 · Headquarters: Cortland, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Marsh Haven Nature Center Inc

    EIN 391491666 · Headquarters: WAUPUN, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Marsh Hawk Land Trust Inc

    EIN 743043361 · Headquarters: VINEYARD HAVEN, MA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  10. Marsh Paddlers Inc

    EIN 823346116 · Headquarters: Naples, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Marsha Hill Foundation

    EIN 461673000 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  12. Marshall Area Economic Development Alliance

    EIN 461516144 · Headquarters: Marshall, MI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Marshall Conservation Preserve

    EIN 874659819 · Headquarters: GARBERVILLE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Marshall County Chapter of the Izaak Walton League of America

    EIN 421185345 · Headquarters: Marshalltown, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Marshall County Chapter of the Izaak Walton League of America

    EIN 994176276 · Headquarters: ARGOS, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Marshall County Conservation Club Co

    EIN 842283818 · Headquarters: Plymouth, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Marshall County Lakes and Waters Council Inc

    EIN 454104544 · Headquarters: Walkerton, IN, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. Marshall Native Gardens Initiative

    EIN 934815507 · Headquarters: Marshall, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Marshalltown Garden Club

    EIN 900013965 · Headquarters: Marshallltown, IA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  20. Marshy Point Nature Center Council

    EIN 522279092 · Headquarters: Middle River, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Marsing Beautification Project

    EIN 883561818 · Headquarters: Marsing, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Martam Group

    EIN 920681302 · Headquarters: Orange, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Martha Dandridge Garden Club

    EIN 352666082 · Headquarters: Dandridge, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Martha Walker Garden Club

    EIN 311013959 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  25. Martha Washington Garden Club

    EIN 270411118 · Headquarters: NEWTOWN, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Martha's Vineyard Fishermen's Preservation Trust

    EIN 453546941 · Headquarters: Menemsha, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Martha's Vineyard Garden Club Inc

    EIN 042386455 · Headquarters: VINEYARD HAVEN, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Martin County Conservation Club Inc

    EIN 416033672 · Headquarters: FAIRMONT, MN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Martin County Orchid Society Inc

    EIN 591206749 · Headquarters: Stuart, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Martin Luther King Gardens Inc

    EIN 222096211 · Headquarters: ENGLEWOOD, NJ, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990

  31. Martin Luther King Gardens Urban Renewal Inc

    EIN 226096211 · Headquarters: ENGELEWOOD, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Martin Strel Foundation Inc

    EIN 882050920 · Headquarters: Mesa, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Martina Jecker Amir Eshel

    EIN 863577069 · Headquarters: Stanford, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  34. Martins-jacoby Watershed Association

    EIN 522452599 · Headquarters: Bangor, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Marumsco Creek Wildlife Foundation Inc

    EIN 521741284 · Headquarters: POCOMOKE CITY, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  36. Mary E Fitz Memorial Trust

    EIN 396734720 · Headquarters: MENOMONIE, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  37. Mary E Wharton Nature Sanctuary at Floracliff Inc

    EIN 611149642 · Headquarters: LEXINGTON, KY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. Mary Howell Garden Club

    EIN 471550170 · Headquarters: Beaumont, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Mary K Oxley Nature Center

    EIN 237429560 · Headquarters: Tulsa, OK, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Mary Lindsay Endowment Fund Fbo Heritage

    EIN 311485283 · Headquarters: NEWTOWN, PA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  41. Mary Lou Heard Foundation

    EIN 261276857 · Headquarters: Huntington Beach, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Maryland Chapter of the American Chestnut Foundation Inc

    EIN 061718049 · Headquarters: Takoma Park, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Maryland City Communities Association Inc

    EIN 462003638 · Headquarters: LAUREL, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Maryland Coastal Bays Foundation Inc

    EIN 522123356 · Headquarters: BERLIN, MD, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  45. Maryland Conservation Council Inc

    EIN 237001631 · Headquarters: Baltimore, MD, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  46. Maryland Eastern Shore Rc&d Council Inc

    EIN 521785879 · Headquarters: CHESTER, MD, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  47. Maryland Energy Conservation Inc

    EIN 521928626 · Headquarters: FALLSTON, MD, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990

  48. Maryland Forestry Boards Foundation Inc

    EIN 521694086 · Headquarters: ANNAPOLIS, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Maryland Forests Association Inc

    EIN 521244115 · Headquarters: Linkwood, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Maryland Heartland Sustainable Living Fair Inc

    EIN 113835517 · Headquarters: Westminster, MD, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  51. Maryland League of Conservation Voters Education Fund Inc

    EIN 522210858 · Headquarters: ANNAPOLIS, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Maryland Orchid Society Inc

    EIN 521145937 · Headquarters: Mount Airy, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Maryland State Game and Fish Protective Association Inc

    EIN 810570116 · Headquarters: Perry Hall, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Maryland State Geographic Information Committee Ltd

    EIN 455200482 · Headquarters: Crownsville, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Maryland Stream Restoration Association

    EIN 262223076 · Headquarters: Gambrills, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Maryland Wildlife Crime Stoppers Inc

    EIN 823976378 · Headquarters: Annapolis, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Maryland-dc Composting Council

    EIN 934825216 · Headquarters: Cockeysville, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Marys Garden Inc

    EIN 262466149 · Headquarters: Virginia Beach, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Marys Peak Natural Resources Interpretive Center

    EIN 200938226 · Headquarters: Philomath, OR, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  60. Marys River Watershed Council

    EIN 931314764 · Headquarters: CORVALLIS, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Marysville Community Parks Foundation

    EIN 900897129 · Headquarters: MARYSVILLE, WA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  62. Masami Institute

    EIN 850568142 · Headquarters: PALM SPRINGS, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  63. Mascoma Lake Community Association

    EIN 026007543 · Headquarters: Enfield, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Mascoma Watershed Conservation Council

    EIN 020508296 · Headquarters: Lebanon, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Mashpee Environmental Coalition

    EIN 043330184 · Headquarters: Mashpee, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Mashpee Wakeby Pond Alliance

    EIN 872445566 · Headquarters: Forestdale, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Mashpee Wampanoag Rod & Gun Club

    EIN 043011370 · Headquarters: Mashpee, MA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  68. Mason City Foundation

    EIN 421375606 · Headquarters: MASON CITY, IA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Mason Community Land Trust

    EIN 208211950 · Headquarters: Belfair, WA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  70. Mason County Climate Justice

    EIN 922419503 · Headquarters: SHELTON, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Mason Springs Conservancy Inc

    EIN 651270984 · Headquarters: Waldorf, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Masonboroorg

    EIN 453743512 · Headquarters: Wilmington, NC, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  73. Mass Central Rail Trail Alliance Inc

    EIN 043513801 · Headquarters: Sudbury, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Mass Parks for All Inc

    EIN 262494069 · Headquarters: JAMAICA PLAIN, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Mass Recycle Inc

    EIN 043072799 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Massachusettes Congress of Lake and Pond Assocations Inc

    EIN 042689427 · Headquarters: WEST BROOKFIELD, MA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  77. Massachusetts Association of Conservatio

    EIN 043041642 · Headquarters: WESTFORD, MA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  78. Massachusetts Association of Conservation Commissions Inc

    EIN 237274677 · Headquarters: BELMONT, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Massachusetts Audubon Society Inc

    EIN 042104702 · Headquarters: LINCOLN, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Massachusetts Chapter of the American Chestnut Foundation Corp

    EIN 043548523 · Headquarters: Uxbridge, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. Massachusetts Christmas Tree Association

    EIN 263261841 · Headquarters: Shelburne Falls, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Massachusetts Climate Solutions Project Inc

    EIN 472412595 · Headquarters: Westborough, MA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  83. Massachusetts Coalition for Water Resources Stewardship Inc

    EIN 300558037 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Massachusetts Congress of Lake and Pond Associations Inc

    EIN 043499990 · Headquarters: Pittsfield, MA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  85. Massachusetts Congress of Lake and Pond Associations Inc

    EIN 043538455 · Headquarters: West Brookfield, MA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  86. Massachusetts Environmental Research Alliance Inc

    EIN 872716952 · Headquarters: Wayland, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. Massachusetts Forest Trust Inc

    EIN 237119602 · Headquarters: Marlborough, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Massachusetts Horticultural Society

    EIN 042104714 · Headquarters: WELLESLEY, MA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  89. Massachusetts Housing and Climate Innovation Center Inc

    EIN 932644851 · Headquarters: South Yarmouth, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Massachusetts Interfaith Power and Light

    EIN 320022524 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Massachusetts Land Conservation Trust

    EIN 223209651 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Massachusetts Land Trust Coalition

    EIN 272331022 · Headquarters: Sudbury, MA, United States · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Massachusetts Master Gardener Association Inc

    EIN 800272957 · Headquarters: FRAMINGHAM, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Massachusetts Oyster Project

    EIN 263112469 · Headquarters: Concord, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Massachusetts Rivers Alliance Inc

    EIN 208387704 · Headquarters: Somerville, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Massachusetts Service Alliance Inc

    EIN 043088234 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Massachusetts Urban Conservancy Inc

    EIN 332952127 · Headquarters: Easthampton, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Massachusetts Water Environment Association Inc

    EIN 043068730 · Headquarters: WOBURN, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Massachusetts Watershed Coalition Inc -Mwc-

    EIN 223191448 · Headquarters: LEOMINSTER, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Massachusetts Woodlands Institute Inc Dba Ma Woodlands Institute

    EIN 043562879 · Headquarters: SHELBURNE FALLS, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

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