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. 350 New Hampshire

    EIN 320690514 · Headquarters: Dover, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. A Child's Nature- Care and Education

    EIN 462288583 · Headquarters: Wilton, NH, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990

  3. A Childs Inspiration Wildlife Discovery Garden

    EIN 843842739 · Headquarters: Wentworth, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Acton Wakefield Watersheds Alliance

    EIN 203341604 · Headquarters: UNION, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. American Ground Water Trust

    EIN 237244958 · Headquarters: HOOKSETT, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. American Rose Society

    EIN 020415651 · Headquarters: Brookline, NH, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  7. Amherst Garden Club Inc

    EIN 020517785 · Headquarters: Amherst, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Ammonoosuc Conservation Trust

    EIN 026121209 · Headquarters: FRANCONIA, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Appalachian Long Distance Hikers Association Inc

    EIN 223196617 · Headquarters: West Lebanon, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Arlington Pond Protective Assoc

    EIN 020432059 · Headquarters: SALEM, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Ashland Garden Club

    EIN 020459536 · Headquarters: Ashland, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Atkinson Garden Club

    EIN 237266183 · Headquarters: Atkinson, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Audubon Society of New Hampshire

    EIN 026005322 · Headquarters: Concord, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Ausbon Sargent Land Preservation Trust

    EIN 222884768 · Headquarters: NEW LONDON, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Autonomous Undersea Systems Institute

    EIN 020467034 · Headquarters: LEE, NH, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990

  16. Aziscohos Lake Preservation Council

    EIN 050605119 · Headquarters: Walpole, NH, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  17. Baker River Watershed Association

    EIN 020517623 · Headquarters: PLYMOUTH, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Balch Lake Improvement Organization Blimp

    EIN 421554346 · Headquarters: East Wakefield, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. Bear-paw Regional Greenways

    EIN 043340659 · Headquarters: NORTHWOOD, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Bearcamp Pond Association

    EIN 475493340 · Headquarters: Sandwich, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Bearcamp Valley Garden Club

    EIN 237224983 · Headquarters: Center Sandwich, NH, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  22. Beaver Brook Association Inc

    EIN 020267159 · Headquarters: HOLLIS, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Bebop Labs

    EIN 824623768 · Headquarters: Salisbury, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Bedford Garden Club

    EIN 020375935 · Headquarters: Bedford, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Bedford Land Trust C/o Cornerstone Assoc Management

    EIN 020445900 · Headquarters: CONCORD, NH, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  26. Beech Hill-dublin Lake Watershed Associa

    EIN 113761717 · Headquarters: DUBLIN, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Belknap Association for Natural Resources Conservation

    EIN 753205875 · Headquarters: Center Harbor, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Belknap Range Trail Tenders

    EIN 454993363 · Headquarters: SANBORNTON, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. Big Pea Porridge Watershed Preservation Association

    EIN 832440418 · Headquarters: Eaton, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Boisvert-normand Nature Preserve

    EIN 932939117 · Headquarters: Thornton, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Bow Open Spaces Inc

    EIN 043380720 · Headquarters: BOW, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Bretton Woods Adaptive Inc

    EIN 510610547 · Headquarters: BRETTON WOODS, NH, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  33. Capital City Organic Gardeners

    EIN 274046026 · Headquarters: Concord, NH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  34. Captains Pond Protective Association Inc

    EIN 020491615 · Headquarters: SALEM, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Carroll County Forest Fire Wardens Association

    EIN 393887309 · Headquarters: Brookfield, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Central New Hampshire Climbers Association

    EIN 932132232 · Headquarters: Campton, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Central New Hampshire Forest Fire Wardens Association Inc

    EIN 922794372 · Headquarters: Epsom, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Chestnut Revival Inc

    EIN 334115368 · Headquarters: Swanzey, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Chocorua Lake Conservancy

    EIN 020277083 · Headquarters: CHOCORUA, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Citizens for a Future New Hampshire Inc

    EIN 020502615 · Headquarters: HOPKINTON, NH, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  41. Citizens of Barnstead for a Living Democracy Inc

    EIN 260845737 · Headquarters: Center Barnstead, NH, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  42. Clarksville Pond Association

    EIN 352384515 · Headquarters: Clarksville, NH, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  43. Clean Air-cool Planet Inc

    EIN 043492988 · Headquarters: PORTSMOUTH, NH, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990

  44. Clean Energy Nh

    EIN 201013532 · Headquarters: CONCORD, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Cobbetts Pond Improvement Assn Inc

    EIN 042607982 · Headquarters: WINDHAM, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Collaborative Solid Waste Strategies

    EIN 880708220 · Headquarters: Penacook, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Colonial Garden Club of Hollis New Hampshire

    EIN 831197081 · Headquarters: Hollis, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Concord Greenspace Coalition

    EIN 883829374 · Headquarters: Concord, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Connecticut River Joint Commissions Inc

    EIN 223086288 · Headquarters: LEBANON, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Contoocook Lake Area Preservation Association

    EIN 237119080 · Headquarters: JAFFREY, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Contoocook River Improvement Society

    EIN 901008385 · Headquarters: Concord, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Country Pond Lake Association

    EIN 823176466 · Headquarters: Newton, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Crescent Lake Environmental Action

    EIN 933327231 · Headquarters: Newport, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Crystal Lake Preservation Ltd

    EIN 020466125 · Headquarters: Manchester, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. D Acres of New Hampshire Inc

    EIN 200489664 · Headquarters: DORCHESTER, NH, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  56. Danville Long Pond Protective Association

    EIN 462427348 · Headquarters: Danville, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Derry Garden Club

    EIN 263603500 · Headquarters: Derry, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Eastman Charitable Foundation

    EIN 203719247 · Headquarters: Grantham, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Energy Council of the Northeast Darlene LeTavec

    EIN 042206021 · Headquarters: Windham, NH, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990

  60. Environment New Hampshire Research and Policy Center Inc

    EIN 753231692 · Headquarters: Concord, NH, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  61. Environmental Action for Northern New Hampshire

    EIN 020504838 · Headquarters: Bethlehem, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Equilibrium Project Foundation

    EIN 846444513 · Headquarters: Portsmouth, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  63. Evergreen Foundation

    EIN 811842294 · Headquarters: GOFFSTOWN, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  64. Exeter Area Conservancey

    EIN 261179964 · Headquarters: Exeter, NH, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  65. Flint Pond Improvement Association

    EIN 020406013 · Headquarters: Hollis, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Forest Lake Improvement Association

    EIN 020479914 · Headquarters: WINCHESTER, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Francestown Land Trust Inc

    EIN 020410827 · Headquarters: Francestown, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Franklin Pierce Lake Association

    EIN 272006674 · Headquarters: Hillsborough, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Fresh Water Action Inc

    EIN 462153580 · Headquarters: Concord, NH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  70. Friends of Bedrock Gardens

    EIN 462666421 · Headquarters: LEE, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Friends of Big Island Pond

    EIN 270185758 · Headquarters: HAMPSTEAD, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Friends of Distant Hill

    EIN 843765898 · Headquarters: Walpole, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Friends of Historic Long Pond Dam of Danville-kingston

    EIN 863131156 · Headquarters: Danville, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Friends of Horton Center on Pine Mountain Inc

    EIN 454140596 · Headquarters: Canaan, NH, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  75. Friends of Lyford Pond

    EIN 331412586 · Headquarters: Canterbury, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Friends of Martin Meadow Pond

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

  77. Friends of Moeckel Pond

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

  78. Friends of Mount Sunapee

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

  79. Friends of Northwood Meadows State Park

    EIN 271527228 · Headquarters: Strafford, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Friends of Open Space in Keene

    EIN 383721846 · Headquarters: Keene, NH, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  81. Friends of Reservoir Pond Inc

    EIN 871217087 · Headquarters: LYME, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Friends of Sargent

    EIN 463241693 · Headquarters: Dublin, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Friends of Sunset Hill Inc

    EIN 203206509 · Headquarters: Manchester, NH, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  84. Friends of the Arboretm at Ashuelot River Park

    EIN 834331656 · Headquarters: Marlborough, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Friends of the Concord - Lake Sunapee Rail Trail

    EIN 821312679 · Headquarters: Warner, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Friends of the Grout Hill Gardens

    EIN 471841687 · Headquarters: ACWORTH, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Friends of the Ledges

    EIN 813281718 · Headquarters: North Conway, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Friends of the Suncook River

    EIN 223822956 · Headquarters: pittsfield, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Friends of Tuckerman Ravine

    EIN 020515356 · Headquarters: Intervale, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Garden at Tracy Library

    EIN 262262161 · Headquarters: New London, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Garden Club of Deerfield

    EIN 332572529 · Headquarters: Deerfield, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Garden Club of Dublin N H

    EIN 026009670 · Headquarters: Dublin, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Gardens of New England

    EIN 383845360 · Headquarters: Lee, NH, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  94. Generations to Come

    EIN 843818200 · Headquarters: PETERBOROUGH, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Geospatial and Environmentaltechnologies Institute

    EIN 208152065 · Headquarters: DURHAM, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Gilford Islands Association

    EIN 020449818 · Headquarters: Rye, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Gilmanton Land Tr

    EIN 046822772 · Headquarters: Gilmanton, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Gilmore Pond Association Inc

    EIN 020375936 · Headquarters: Jaffrey, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Global Entomology Coalition

    EIN 332804783 · Headquarters: Rochester, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Goose Pond Lake Association

    EIN 300367736 · Headquarters: Canaan, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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