Environment nonprofits in Massachusetts

Environment nonprofits in Massachusetts. Browse 1,254 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. Boston Greenspace Alliance Inc

    EIN 042887143 · Headquarters: Boston, MA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  2. Boston Harbor Now Inc

    EIN 043268863 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Boston Natural Areas Network Inc

    EIN 042693273 · Headquarters: Boston, MA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990

  4. Boston Urban Gardeners at the Community Farm Inc

    EIN 042678200 · Headquarters: Newton, MA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  5. Botanic Gardens Conservation International Us Inc

    EIN 650815620 · Headquarters: BOYLSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Bourne Conservation Trust

    EIN 042767827 · Headquarters: CATAUMET, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Boxborough Conservation Trust Inc

    EIN 043399935 · Headquarters: Boxborough, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Boxford Trails Association

    EIN 042649404 · Headquarters: Boxford, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Branch Pond Association Inc

    EIN 921777675 · Headquarters: South Hadley, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Brewster Community Solar Garden Cooperative Inc

    EIN 455016871 · Headquarters: BREWSTER, MA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  11. Brewster Conservation Trust

    EIN 042798931 · Headquarters: BREWSTER, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Brewster Ponds Coalition

    EIN 472359878 · Headquarters: Brewster, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Brookline Greenspace Alliance Inc

    EIN 043021928 · Headquarters: Brookline Village, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Brooks Pond Conservation Association Inc

    EIN 043309343 · Headquarters: WESTBOROUGH, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  15. Browning the Green Space Inc

    EIN 853806985 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Buckland Trails

    EIN 993258518 · Headquarters: Shelburne Falls, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Building Electrician Accelerator

    EIN 994646270 · Headquarters: ARLINGTON, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Built Buildings Lab Inc

    EIN 994218879 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. Buzzards Bay Action Committee Inc

    EIN 043123045 · Headquarters: Marion, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Buzzards Bay Coalition

    EIN 042971978 · Headquarters: NEW BEDFORD, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Buzzards Bay Coalition

    EIN 273510550 · Headquarters: New Bedford, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. C O N C E W M Inc

    EIN 043185688 · Headquarters: Leominster, MA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  23. Cambridge Climate Institute Inc

    EIN 812076081 · Headquarters: SOMERVILLE, MA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  24. Cambridge Energy Alliance Inc

    EIN 260663000 · Headquarters: CAMBRIDGE, MA, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990

  25. Cambridge Recycling Inc

    EIN 043140539 · Headquarters: Cambridge, MA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  26. Campus Consortium for Environmental Excellence

    EIN 043538747 · Headquarters: Gloucester, MA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  27. Canal District Alliance Inc

    EIN 260315290 · Headquarters: Worcester, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Cannabis Growers Association

    EIN 831282408 · Headquarters: NORTON, MA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  29. Cape & Islands Harbormasters Association

    EIN 832465182 · Headquarters: Sandwich, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Cape and Islands Self-reliance Corporation Inc

    EIN 042724985 · Headquarters: NORTH FALMOUTH, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Cape Ann Garden Club

    EIN 272533676 · Headquarters: GLOUCESTER, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Cape Ann Trail Stewards Inc

    EIN 462506378 · Headquarters: ESSEX, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Cape Ann Vernal Pond Team

    EIN 202678120 · Headquarters: GLOUCESTER, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Cape Climate Action Inc

    EIN 334875074 · Headquarters: WEST YARMOUTH, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Cape Cod Anti-litter Coalition Inc

    EIN 811431465 · Headquarters: Brewster, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Cape Cod Climate Change Collaborative Inc

    EIN 822947687 · Headquarters: SOUTH YARMOUTH, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Cape Cod Commercial Fishermen's Alliance Inc

    EIN 043138784 · Headquarters: CHATHAM, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Cape Cod Horticultural Society Inc

    EIN 237346475 · Headquarters: OSTERVILLE, MA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  39. Cape Cod Landscape Association Inc

    EIN 043418458 · Headquarters: MEDFIELD, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Cape Cod Salties Foundation Inc

    EIN 824603883 · Headquarters: DENNIS, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Cape Cods Trees for Tomorrow

    EIN 334721010 · Headquarters: Falmouth, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Cape Shore Foundation

    EIN 260685030 · Headquarters: Concord, MA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  43. Cardinal Academy

    EIN 474801059 · Headquarters: Malden, MA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  44. Care for the Cape & Islands Inc

    EIN 612055919 · Headquarters: HYANNIS, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Carlisle Conservation Foundation

    EIN 046112825 · Headquarters: Carlisle, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Carlisle Land Trust

    EIN 042680854 · Headquarters: Carlisle, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Carye Family Land Trust Co Richard F Perkins

    EIN 200522909 · Headquarters: STOW, MA, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990

  48. Cascade Climate

    EIN 932117635 · Headquarters: Somerville, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Catf Action Inc

    EIN 842360880 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Cathleen Stone Island Education Center Inc

    EIN 042104062 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Cathleen Stone Island Outward Bound School Inc

    EIN 043027900 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Center for Climate Media Inc

    EIN 822391494 · Headquarters: Salem, MA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Center for Coastal Studies Inc

    EIN 042609788 · Headquarters: PROVINCETOWN, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. Center for Ecotechnology Inc

    EIN 042611726 · Headquarters: DALTON, MA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. Center for Urban Watershed Renewal Inc

    EIN 043512392 · Headquarters: Manchester, MA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  56. Ceres

    EIN 223053747 · Headquarters: Boston, MA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  57. Chac-mool Institute Inc

    EIN 010725359 · Headquarters: Jamaica Plain, MA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  58. Chandler Pond Preservation Society

    EIN 043349259 · Headquarters: Boston, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Change Is Simple Inc

    EIN 451463482 · Headquarters: BEVERLY, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Chappaquiddick Island Association

    EIN 042983915 · Headquarters: EDGARTOWN, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Charitable Trust for Beacon Hill

    EIN 842552400 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  62. Charles River Alliance Inc

    EIN 475601345 · Headquarters: Boston, MA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  63. Charles River Clean Up Boat

    EIN 830394031 · Headquarters: Boston, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Charles River Conservancy Inc

    EIN 043503656 · Headquarters: CAMBRIDGE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Charles River Cutler Park to Commonwealth Avenue Protection

    EIN 043541731 · Headquarters: Needham Hgts, MA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  66. Charles River Watershed Association Inc

    EIN 046136989 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Charlestown Sprouts Inc

    EIN 043422150 · Headquarters: CHARLESTOWN, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Charlton Heritage Preservation Tr

    EIN 046910702 · Headquarters: Charlton Depot, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Charmacy Wildlife Center Inc

    EIN 223120392 · Headquarters: HOLBROOK, MA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  70. Chatham Conservation Foundation Inc

    EIN 046047692 · Headquarters: CHATHAM, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Chatham Garden Club Inc

    EIN 300670206 · Headquarters: Chatham, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Chatham Shark Center Inc

    EIN 462958857 · Headquarters: CHATHAM, MA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  73. Chebacco Lake Association

    EIN 222727615 · Headquarters: South Hamilton, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Chelmsford Land Conservation Trust Inc

    EIN 042884012 · Headquarters: Chelmsford, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Chestnut Hill Reservoir Conservancy Corp

    EIN 992857364 · Headquarters: Chestnut Hill, MA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Chicopee River Watershed Council Inc

    EIN 043041428 · Headquarters: Chicopee, MA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  77. Childcare Burnout & Balance Corp

    EIN 994323527 · Headquarters: Boston, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Chilmark Pond Foundation Inc

    EIN 825083098 · Headquarters: VINEYARD HAVEN, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Citizens Against the Rehoboth Compressor Station

    EIN 812966028 · Headquarters: Rehoboth, MA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  80. Citizens for a Stronger Massachusetts

    EIN 271431154 · Headquarters: Boston, MA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  81. Citizens for Lexington Conservation Inc

    EIN 046152184 · Headquarters: Lexington, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Citizens for Preserving South Lee

    EIN 043507795 · Headquarters: SOUTH LEE, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Citizens for the Preservation of Upton

    EIN 450465171 · Headquarters: Upton, MA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  84. Citizens for the Protection of Waquoit Bay Inc

    EIN 042781250 · Headquarters: WAQUOIT, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Citysprouts Inc

    EIN 043521413 · Headquarters: CAMBRIDGE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Clark Cooper Community Gardens Inc

    EIN 043571421 · Headquarters: Mattapan, MA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  87. Clarks Pond Watershed Association

    EIN 812256316 · Headquarters: Amesbury, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Clean Air Communities Inc

    EIN 043542265 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-PF

  89. Clean Air Task Force Inc

    EIN 043512550 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Clean Production Action Inc

    EIN 453560728 · Headquarters: SOMERVILLE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Clean River Project Inc

    EIN 261904414 · Headquarters: Methuen, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Clean Waters Ne Np

    EIN 421618565 · Headquarters: Sandwich, MA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  93. Cleantech Leaders Climate Forum

    EIN 932439402 · Headquarters: CAMBRIDGE, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. Cleantech Leaders Roundtable

    EIN 832527799 · Headquarters: CAMBRIDGE, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Cleanup of Agawam Mill Pond

    EIN 464739353 · Headquarters: East Wareham, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Clear Pond Water Association Inc

    EIN 934328346 · Headquarters: Plymouth, MA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. Clf Ventures Inc

    EIN 043355728 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Climable

    EIN 460797066 · Headquarters: Cambridge, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Climate Asia Inc

    EIN 920696229 · Headquarters: Chestnut Hill, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Climate Change Action Brookline Inc

    EIN 452923541 · Headquarters: Brookline, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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