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. The Mountains to Sound Greenway Trust

    EIN 911531234 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. The Mt Oglethorpe Foundation Inc

    EIN 464754107 · Headquarters: JASPER, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. The Murie Center

    EIN 830328297 · Headquarters: MOOSE, WY, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990

  4. The Museum

    EIN 854373858 · Headquarters: Virginia Beach, VA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. The Mynelle Gardens Botanical Society

    EIN 640905027 · Headquarters: FLOWOOD, MS, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  6. The Nansemond River Garden Club

    EIN 546045073 · Headquarters: Suffolk, VA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. The Nanticoke Watershed Preservation Group Inc

    EIN 511333195 · Headquarters: Seaford, DE, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  8. The Nat'l Fund for the Us Botanic Garden

    EIN 521722096 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. The National Association for Humane and Environmental Education

    EIN 237327537 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  10. The National Bonsai Foundation

    EIN 521284404 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. The National Council for Science and the Environment

    EIN 521700932 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. The National Initiative by Consumers of Energy

    EIN 208565677 · Headquarters: SHOREWOOD, MN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. The National Loon Center Foundation Inc

    EIN 821717690 · Headquarters: CROSSLAKE, MN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. The National Waterfowl Alliance

    EIN 570748878 · Headquarters: Oak Forest, IL, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  15. The Native Hawaiian Advisory Council Inc

    EIN 990265274 · Headquarters: Honolulu, HI, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  16. The Native Plant Society of New Jersey Inc

    EIN 222677202 · Headquarters: NEW BRUNSWICK, NJ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. The Natomas Basin Conservancy a Calif Non-profit Public Benefit Corp

    EIN 680344388 · Headquarters: SACRAMENTO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. The Natural Guard

    EIN 521656756 · Headquarters: new haven, CT, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  19. The Natural Resource Education Center Inc

    EIN 860832876 · Headquarters: CASA GRANDE, AZ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. The Natural Resource Education Project

    EIN 742444719 · Headquarters: Kingman, AZ, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  21. The Natural Step Monona Ltd

    EIN 260683020 · Headquarters: MONONA, WI, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  22. The Natural Step Network

    EIN 752983402 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  23. The Nature Academy Inc

    EIN 611248818 · Headquarters: CRESTVIEW HILLS, KY, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. The Nature Center of Charlestown T/a Great Valley Nature Center

    EIN 231950428 · Headquarters: DEVAULT, PA, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990

  25. The Nature Club at the Villages of Pine Valley

    EIN 334478875 · Headquarters: Philadelphia, PA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. The Nature Conservancy in New York

    EIN 813530312 · Headquarters: Arlington, Virginia, United States · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. The Nature Conservancy of California

    EIN 205797732 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. The Nature Conservation Trust

    EIN 986057022 · Headquarters: ERASMUSRAND, IL, SF · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. The Nature Foundation at Wintergreen

    EIN 541689828 · Headquarters: ROSELAND, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. The Nature Foundation Inc

    EIN 300057574 · Headquarters: PALM BEACH GARDENS, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. The Nature Generation

    EIN 201670424 · Headquarters: ARLINGTON, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. The Nature of Cities

    EIN 461668772 · Headquarters: NEW YORK, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. The Nature of Wildworks

    EIN 954624823 · Headquarters: COARSEGOLD, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. The Nature Park Environmental

    EIN 383707022 · Headquarters: FORT MYERS, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. The Nature School

    EIN 770365988 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. The Nature Walks Conservation Society

    EIN 452184606 · Headquarters: TYNGSBORO, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. The Neal Taylor Nature Center at Cachuma

    EIN 770233074 · Headquarters: SANTA BARBARA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. The Nebraska Land Trust Inc

    EIN 470843794 · Headquarters: LINCOLN, NE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. The Nectar Exchange

    EIN 850697341 · Headquarters: Lebanon, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. The Nelac Institute

    EIN 810554715 · Headquarters: Weatherford, TX, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  41. The Nells Foundation

    EIN 843379995 · Headquarters: NEWPORT BEACH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  42. The New 600 Bc East Ninth Street Block and Neighborhood Association

    EIN 132874643 · Headquarters: New York, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. The New Jersey Association of Conservation Districts Inc

    EIN 222873907 · Headquarters: TRENTON, NJ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. The New Jersey Chapter of the Us Green Building Council

    EIN 470864821 · Headquarters: MORRISTOWN, NJ, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  45. The New Jersey Committee of the Garden Club of America

    EIN 223047903 · Headquarters: BERKELEY HEIGHTS, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. The New Nature Foundation

    EIN 061673754 · Headquarters: PHILADELPHIA, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. The New Town Garden Club Inc

    EIN 413004812 · Headquarters: St Charles, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. The New York Climate Exchange

    EIN 923384115 · Headquarters: New York, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. The Newport Institute for Ethics Law and Public Policy

    EIN 843110374 · Headquarters: Newport Beach, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. The Newport Tree Conservancy

    EIN 050463871 · Headquarters: Newport, RI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. The Next 100 Syndicate

    EIN 871885681 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. The Niles Garden Club

    EIN 382493069 · Headquarters: Berrien Springs, MI, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  53. The North American Friends of Great Dixter Ltd

    EIN 352685694 · Headquarters: DORSET, VT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. The North Carolina Arboretum Society

    EIN 561712373 · Headquarters: Asheville, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. The North Carolina Unit of the Herb Society of America Inc

    EIN 561693642 · Headquarters: Greensboro, NC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. The North Shore Community Land Trust

    EIN 943276211 · Headquarters: HALEIWA, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. The North Shore Land Alliance Inc

    EIN 562368769 · Headquarters: OYSTER BAY, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. The North Skunk River Greenbelt Association

    EIN 271752125 · Headquarters: MANISTEE, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. The Northern Nut Growers Association

    EIN 311299136 · Headquarters: Lawrence, KS, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. The Northern Shenandoah Valley Audubon Society

    EIN 541253785 · Headquarters: MIDDLETOWN, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. The Northern Virginia Bird Club

    EIN 541432666 · Headquarters: Arlington, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. The Northwest Louisiana Master Gardeners Association Inc

    EIN 721422503 · Headquarters: Shreveport, LA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. The Nuangola Lake Association

    EIN 020754212 · Headquarters: Mountain Top, PA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. The Nuclear Decommissioning Collaborative Inc

    EIN 463460868 · Headquarters: ARLINGTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. The O H Association Inc

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

  66. The Oakdale Chapter of the Izzak Walton League of America

    EIN 421243619 · Headquarters: Renwick, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. The Oblong Land Conservancy Inc

    EIN 111080022 · Headquarters: Pawling, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. The Ocean Foundation

    EIN 710863908 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. The Ocean View Foundation Inc

    EIN 223636378 · Headquarters: COS COB, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  70. The Oceans Voice

    EIN 811188691 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. The Oconee Rivers Audubon Society Inc

    EIN 432100729 · Headquarters: ATHENS, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. The Oeschger Foundation

    EIN 472303618 · Headquarters: DERBY, VT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. The Offset Project Inc

    EIN 262818584 · Headquarters: MONTEREY, CA, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  74. The Ohio Environmental Council

    EIN 310805578 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. The Ohio Water Environment Association Inc

    EIN 310892817 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. The Ojai Foundation

    EIN 510151116 · Headquarters: OJAI, CA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  77. The Ojai Valley Land Conservancy

    EIN 770169682 · Headquarters: OJAI, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. The Old Lambert Dairy Farm Kopicki

    EIN 472004365 · Headquarters: WASHINGTON, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. The Old Stone Mill Foundation

    EIN 813365000 · Headquarters: Colchester, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. The Old-growth Again Project

    EIN 680458968 · Headquarters: Rohnert Park, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  81. The One Hundred Club of Saginaw Cou

    EIN 383375617 · Headquarters: SAGINAW, MI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. The Opacum Land Trust Inc

    EIN 043501184 · Headquarters: STURBRIDGE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. The Orchid Society of Greater Kansas City Inc

    EIN 830487439 · Headquarters: INDEPENDENCE, MO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. The Orchid Society of Northwestern Pennsylvania

    EIN 251738890 · Headquarters: Erie, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. The Oregon League of Conservation Voters

    EIN 931176721 · Headquarters: PORTLAND, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. The Oregon League of Conservation Voters Education Fund

    EIN 931177957 · Headquarters: PORTLAND, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. The Oregon State Federation of Garden Clubs Inc

    EIN 020647127 · Headquarters: SAINT HELENS, OR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. The Oregon State Federation of Garden Clubs Inc

    EIN 020659877 · Headquarters: BORING, OR, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. The Oregon State Federation of Garden Clubs Inc

    EIN 134220333 · Headquarters: Corvallis, OR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. The Oregon State Federation of Garden Clubs Inc

    EIN 201765783 · Headquarters: Corvallis, OR, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  91. The Oregon State Federation of Garden Clubs Inc

    EIN 208817975 · Headquarters: North Plains, OR, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  92. The Oregon State Federation of Garden Clubs Inc

    EIN 384067068 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. The Oregon State Federation of Garden Clubs Inc

    EIN 542098020 · Headquarters: West Linn, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. The Oregon State Federation of Garden Clubs Inc

    EIN 770615789 · Headquarters: North Bend, OR, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  95. The Oregon State Federation of Garden Clubs Inc

    EIN 800008886 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  96. The Oregon State Federation of Garden Clubs Inc

    EIN 820572942 · Headquarters: SEASIDE, OR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. The Oregon State Federation of Garden Clubs Inc

    EIN 900256010 · Headquarters: Gresham, OR, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  98. The Oregon State Federation of Garden Clubs Inc

    EIN 930796190 · Headquarters: KING CITY, OR, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. The Oregon State Federation of Garden Clubs Inc

    EIN 930850082 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. The Oregon State Federation of Garden Clubs Inc

    EIN 930854939 · Headquarters: Wilsonville, OR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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