Environment nonprofits in New Hampshire

Environment nonprofits in New Hampshire. Browse 302 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. Nippo Lake Assoc Inc of Barringt

    EIN 474809333 · Headquarters: BARRINGTON, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. North Country Alliance for Balanced Change

    EIN 320608187 · Headquarters: Littleton, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. North Country Resource Conservation & Development Area Inc

    EIN 237237421 · Headquarters: GILFORD, NH, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990

  4. North East State Foresters Association

    EIN 141737114 · Headquarters: CONCORD, NH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  5. Northeast Association of 4Wd Clubs Inc

    EIN 020523392 · Headquarters: Manchester, NH, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  6. Northeast Seacoast Unit Inc

    EIN 043364066 · Headquarters: Durham, NH, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  7. Northeastern Forest Pest Council

    EIN 270726108 · Headquarters: Hillsboro, NH, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  8. Northwood Lake Watershed Association Inc

    EIN 020465758 · Headquarters: NORTHWOOD, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Old Homestead Garden Club

    EIN 026009828 · Headquarters: Swanzey, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Ossipee Garden Club

    EIN 510584532 · Headquarters: Ossipee, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Ossipee Lake Alliance Inc

    EIN 383668409 · Headquarters: Freedom, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Otter Pond Protective Association

    EIN 452927491 · Headquarters: Georges Mills, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Oyster River Watershed Association

    EIN 753025898 · Headquarters: MADBURY, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Partridge Lake Property Owners Association

    EIN 753211315 · Headquarters: LITTLETON, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Pasquaney Garden Club

    EIN 010959942 · Headquarters: Bristol, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Pawtuckaway Lake Improvement Association

    EIN 020451995 · Headquarters: Nottingham, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Pentatucket Conservation Tr

    EIN 456570572 · Headquarters: Bedford, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Perkins Pond Protective Association

    EIN 932219267 · Headquarters: SUNAPEE, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Peterborough Renewable Energy Project

    EIN 332089753 · Headquarters: Peterborough, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Piscataqua River Cooperative Inc

    EIN 222529472 · Headquarters: NEWINGTON, NH, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  21. Pittsburg Anglers Association Inc

    EIN 821999213 · Headquarters: Pittsburg, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Pleasant Lake Protective Association

    EIN 237037867 · Headquarters: NEW LONDON, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Plymouth Area Renewable Energy Initiative

    EIN 200789969 · Headquarters: Plymouth, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Plymouth Rotary Foundation

    EIN 593841932 · Headquarters: PLYMOUTH, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Porter Lake Association

    EIN 010500019 · Headquarters: Plaistow, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Prescott Conservancy Inc

    EIN 043387252 · Headquarters: LACONIA, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Project Ng Inc

    EIN 844475498 · Headquarters: Durham, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Province Lake Association

    EIN 237337832 · Headquarters: Effingham, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Prp Association Inc

    EIN 020401967 · Headquarters: SANBORNVILLE, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. PZ Park

    EIN 394136186 · Headquarters: Wolfeboro Falls, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Red Eft Project

    EIN 270279933 · Headquarters: Portsmouth, NH, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  32. Reservoir Woods Foundation

    EIN 850676371 · Headquarters: WALPOLE, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. Residents Environmental Action Committee for Health

    EIN 200333337 · Headquarters: Contoocook, NH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Robinwood Center

    EIN 301179892 · Headquarters: STRATHAM, NH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  35. Rock Pond Improvement Association Inc

    EIN 222510877 · Headquarters: Windham, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Rockingham County Botanical Garden Tr

    EIN 106004473 · Headquarters: Exeter, NH, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  37. Rocky Pond Lake Association

    EIN 202057505 · Headquarters: Gilmanton, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Rockybound Pond Association Inc

    EIN 334297900 · Headquarters: Hanover, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Roland Park Land Trust

    EIN 043388323 · Headquarters: Concord, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Rollinsford Garden and Local Sustainability Club

    EIN 273332577 · Headquarters: Rollinsford, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Rumney Climbers Association

    EIN 020475512 · Headquarters: Plymouth, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. S T a L Service-to-all-life Foundation

    EIN 933760279 · Headquarters: Sanbornton, NH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Saco Headwaters Alliance

    EIN 844142730 · Headquarters: Center Conway, NH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  44. Salem Botanical Garden Inc

    EIN 471729329 · Headquarters: SALEM, NH, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  45. Sandown Garden Club

    EIN 263390992 · Headquarters: Sandown, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Scarboro Ridge Association -The-

    EIN 300493862 · Headquarters: Freedom, NH, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  47. Seabrook-hamptons Estuary Alliance

    EIN 462468903 · Headquarters: HAMPTON, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Seacoast Anti Pollution League

    EIN 237120697 · Headquarters: Portsmouth, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Seacoast Climate Action Now

    EIN 943476139 · Headquarters: Portsmouth, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Second Chances Crazy Cool Consignme Nts

    EIN 395091348 · Headquarters: Goffstown, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Silver Lake Association of Madison Nh

    EIN 455319564 · Headquarters: Silver Lake, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Society for the Preservation of Rockwood Pond

    EIN 020524439 · Headquarters: Fitzwilliam, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Society for the Preservation of Rural Wolfeboro

    EIN 821523176 · Headquarters: WOLFEBORO, NH, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  54. Society for the Protection of New Hampshire Forests

    EIN 020222237 · Headquarters: CONCORD, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Souhegan Sustainability Fair

    EIN 815201911 · Headquarters: Wilton, NH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Spofford Lake Association

    EIN 020529959 · Headquarters: Spofford, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Squam Lakes Association

    EIN 020256498 · Headquarters: HOLDERNESS, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Squam Lakes Conservation Society

    EIN 026012747 · Headquarters: HOLDERNESS, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Squam Lakes Natural Science Center

    EIN 020271824 · Headquarters: HOLDERNESS, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Stinson Lake Association Inc

    EIN 020418563 · Headquarters: Rumney, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Strafford Garden Club

    EIN 020470684 · Headquarters: Strafford, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Strafford Rivers Conservancy Inc

    EIN 020430387 · Headquarters: DOVER, NH, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990

  63. Student-led Sustainable Initiatives Inc Plan - Post-landfill Action Network

    EIN 463019082 · Headquarters: DOVER, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Sustainable Forest Futures Inc

    EIN 251923175 · Headquarters: Concord, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Sustainable Legacy Corp

    EIN 452680936 · Headquarters: Hollis, NH, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  66. Sustainable Seacoast

    EIN 825124438 · Headquarters: Portsmouth, NH, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. Swains Lake Association Inc

    EIN 020328917 · Headquarters: BARRINGTON, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Teach Green Charitable Foundation C/o Keith Fine Trustee

    EIN 206954999 · Headquarters: NASHUA, NH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  69. Terracorps Inc

    EIN 823881519 · Headquarters: WINDHAM, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. The Blaisdell Lake Protective Association Inc

    EIN 020477514 · Headquarters: South Sutton, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. The Canaan Lake Association

    EIN 026012729 · Headquarters: Canaan, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. The Carl Siemon Family Charitable Trust Cynthia Wyatt Et Al Ttee

    EIN 226670093 · Headquarters: MILTON MILLS, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. The Dan Hole Pond Watershed Trust

    EIN 026121751 · Headquarters: Center Ossipee, NH, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990

  74. The Howfirma Trust

    EIN 026102175 · Headquarters: South Hampton, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  75. The Institute for Community Business & the New Hampshire Economy

    EIN 043391250 · Headquarters: CONCORD, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. The Madison Garden Club

    EIN 020400765 · Headquarters: Silver Lake, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. The Monadnock Conservancy

    EIN 223030420 · Headquarters: Keene, NH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  78. The O H Association Inc

    EIN 203113986 · Headquarters: INTERVALE, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. The Southern New Hampshire Resource Conservation and Developement Area Inc

    EIN 020466005 · Headquarters: Concord, NH, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  80. Thorndike Pond Conservation Association

    EIN 550799298 · Headquarters: JAFFREY, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Three Ponds Protective Association

    EIN 202750646 · Headquarters: MILTON, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Tin Mountain Conservation Center Inc

    EIN 020353541 · Headquarters: ALBANY, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Trailwrights Inc

    EIN 020418422 · Headquarters: CONCORD, NH, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  84. Trees4haiti

    EIN 883320625 · Headquarters: Salem, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Upper Merrimack Watershed Association

    EIN 812971463 · Headquarters: Penacook, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Upper Valley Land Trust Inc

    EIN 020387997 · Headquarters: HANOVER, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Us Green Building Council New Hampshire Chapter

    EIN 264612559 · Headquarters: FRANCESTOWN, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Us Plastics Pact Inc

    EIN 851372760 · Headquarters: WALPOLE, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Vermont New Hampshire Chapter of the American Chestnut Foundation

    EIN 261716745 · Headquarters: HOLDERNESS, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Webster Lake Association

    EIN 026035619 · Headquarters: Franklin, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Wentworth Watershed Association

    EIN 043374499 · Headquarters: Wolfeboro, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. West Street Hydro Inc

    EIN 460945336 · Headquarters: KEENE, NH, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  93. White Mountain Garden Club

    EIN 853328224 · Headquarters: FRANCONIA, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. White Mountain Trail Collective

    EIN 833165380 · Headquarters: CAMPTON, NH, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990

  95. Wild Spaces Collective

    EIN 392659458 · Headquarters: Milford, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Wilmot Garden Club

    EIN 371767543 · Headquarters: Wilmot, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Winnisquam Watershed Network

    EIN 822291755 · Headquarters: Winnisquam, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Wonalancet Out Door Club

    EIN 026010650 · Headquarters: Wonalancet, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Woodland Stewards

    EIN 113820246 · Headquarters: Franconia, NH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  100. Worldview Ltd

    EIN 133808700 · Headquarters: Peterborough, NH, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

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