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. Friends of the Loxahatchee River Inc

    EIN 650565394 · Headquarters: JUPITER, FL, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  2. Friends of the Lynchburg Nature Center Inc

    EIN 464731415 · Headquarters: Lynchburg, VA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  3. Friends of the Mad River

    EIN 030348974 · Headquarters: WAITSFIELD, VT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Friends of the Madison School Forest Inc

    EIN 391852245 · Headquarters: Verona, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Friends of the Mahoning River

    EIN 900929240 · Headquarters: Girard, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Friends of the Mammoth Spring National Fish Hatchery

    EIN 383871022 · Headquarters: MAMMOTH SPRING, AR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Friends of the Manassas Bee Festival

    EIN 881392640 · Headquarters: MANASSAS, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Friends of the Many Rivers Program

    EIN 010452027 · Headquarters: Portland, ME, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  9. Friends of the Maple River

    EIN 204761225 · Headquarters: SAINT JOHNS, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Friends of the Mariana Trench

    EIN 660896909 · Headquarters: SAIPAN, MP, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Friends of the Mark West Watershed

    EIN 812838263 · Headquarters: Santa Rosa, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Friends of the Market

    EIN 384017356 · Headquarters: Ferguson, MO, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  13. Friends of the Marquette Driftless Area

    EIN 812871527 · Headquarters: Marquette, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Friends of the Marshall County Conservation Incorporated

    EIN 821959446 · Headquarters: Marshalltown, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Friends of the Maryland State Forests and Parks Inc

    EIN 522049562 · Headquarters: Ocean City, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Friends of the Mashpee National Wildlife Refuge Inc

    EIN 043297894 · Headquarters: Mashpee, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Friends of the Mead-mcmillian Association Inc

    EIN 391846412 · Headquarters: milladore, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Friends of the Meadow Ground Lake

    EIN 463172345 · Headquarters: MCCONNELLSBURG, PA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  19. Friends of the Medicine Bow Rail Trail

    EIN 832191949 · Headquarters: Laramie, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Friends of the Meherrin River

    EIN 871241514 · Headquarters: CHASE CITY, VA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Friends of the Mendocino Coast Botanical Gardens

    EIN 680420546 · Headquarters: Fort Bragg, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Friends of the Met Inc

    EIN 273280831 · Headquarters: Tulsa, OK, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Friends of the Metolius

    EIN 931046038 · Headquarters: CAMP SHERMAN, OR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Friends of the Mexican Fund for the Conservation of Nature

    EIN 204870225 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Friends of the Milford Upper Charles Trail

    EIN 010841650 · Headquarters: Milford, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Friends of the Mill Pond & Oak Creek Watercourse

    EIN 432071373 · Headquarters: South Milwaukee, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Friends of the Mill Pond Ltd

    EIN 333494521 · Headquarters: Green Lake, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Friends of the Minnesota Valley

    EIN 411427029 · Headquarters: Bloomington, MN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Friends of the Missaukee Conservation District

    EIN 384270668 · Headquarters: Lake City, MI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Friends of the Mission Greenway

    EIN 921157795 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. Friends of the Mission Valley Preserve

    EIN 330844751 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  32. Friends of the Mississippi River

    EIN 411763226 · Headquarters: ST PAUL, MN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Friends of the Missouri Breaks Monument

    EIN 364647947 · Headquarters: HELENA, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Friends of the Missouri National Recreational River

    EIN 474694038 · Headquarters: Tyndall, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Friends of the Molly Hollar Wildscape

    EIN 822250150 · Headquarters: Arlington, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Friends of the Monmouth County Park System Inc

    EIN 223163875 · Headquarters: LINCROFT, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Friends of the Monroe Township Community Garden

    EIN 472553191 · Headquarters: Monroe Township, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Friends of the Montezuma Hot Springs

    EIN 843203058 · Headquarters: MONTEZUMA, NM, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Friends of the Montezuma Wetlands Complex Inc

    EIN 161581740 · Headquarters: SENECA FALLS, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Friends of the Morris Wetland District

    EIN 411995186 · Headquarters: Morris, MN, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  41. Friends of the Moshassuck

    EIN 311628698 · Headquarters: Providence, RI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Friends of the Mountain Inc

    EIN 020760144 · Headquarters: Rim Forest, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  43. Friends of the Mountains-to-sea Trail

    EIN 522204330 · Headquarters: RALEIGH, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Friends of the Mukwonago River Inc

    EIN 010859881 · Headquarters: Eagle, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Friends of the Musketawa Trail

    EIN 383357738 · Headquarters: Norton Shores, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Friends of the Nanticoke River

    EIN 521870385 · Headquarters: NANTICOKE, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Friends of the Napa River

    EIN 943207058 · Headquarters: NAPA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Friends of the National Arboretum

    EIN 521257712 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Friends of the National Conservation Training Center

    EIN 550769860 · Headquarters: SHEPHERDSTOWN, WV, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Friends of the National Estuarine Research Reserve

    EIN 820785414 · Headquarters: Superior, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Friends of the National Parks Trust of the Virgin Islands Uk

    EIN 844717078 · Headquarters: Honolulu, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. Friends of the National Wildlife Refuge System

    EIN 460546423 · Headquarters: Alamo, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Friends of the Nature Center

    EIN 850462897 · Headquarters: Farmington, NM, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Friends of the Nature Center in Rancocas State Park Inc

    EIN 462470627 · Headquarters: WESTAMPTON, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Friends of the Nature Center Inc

    EIN 222328461 · Headquarters: WELLESLEY ISLAND, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Friends of the Near East Side Parks & Gardens

    EIN 932772250 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Friends of the Neosho National Fish Hatchery Inc

    EIN 431945238 · Headquarters: Neosho, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Friends of the Nescopeck

    EIN 050556384 · Headquarters: CONYNGHAM, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Friends of the New Hanover County Arboretum

    EIN 561484952 · Headquarters: Wilmington, NC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Friends of the New Jersey School of Conservation

    EIN 521592485 · Headquarters: BRANCHVILLE, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Friends of the Newport Coast

    EIN 953380631 · Headquarters: Corona Del Mar, CA, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  62. Friends of the Niobrara Inc

    EIN 470846136 · Headquarters: Springfield, NE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Friends of the North Coast

    EIN 364963297 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Friends of the North East Creek Inc

    EIN 844412721 · Headquarters: North East, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Friends of the North Fork

    EIN 680623079 · Headquarters: Lincoln, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  66. Friends of the North Fork and White Rivers

    EIN 710862503 · Headquarters: Mountain Home, AR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Friends of the North Fork of the Shenandoah River Inc

    EIN 541457869 · Headquarters: WOODSTOCK, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Friends of the North Pikes Creek Wetlands

    EIN 464067602 · Headquarters: Bayfield, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Friends of the Northern San Jacinto Valley

    EIN 330554935 · Headquarters: Idyllwild, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  70. Friends of the Norwalk Islands Inc

    EIN 272892165 · Headquarters: Norwalk, CT, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  71. Friends of the Norwalk River Valley Trail Inc

    EIN 451496672 · Headquarters: Georgetown, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Friends of the Noyo River Conservation Research Center

    EIN 920480617 · Headquarters: POTTER VALLEY, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Friends of the Occoquan

    EIN 541968766 · Headquarters: WOODBRIDGE, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Friends of the Ohio River Greenway

    EIN 270832242 · Headquarters: Jeffersonville, IN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Friends of the Old Pecos Trail Scenic Corridor

    EIN 934892496 · Headquarters: Santa Fe, NM, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Friends of the Orange County Arboretum Inc

    EIN 141804703 · Headquarters: MONTGOMERY, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Friends of the Organ Mountains-desert Peaks

    EIN 275027211 · Headquarters: LAS CRUCES, NM, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Friends of the Ormond Beach Public Library Inc

    EIN 592301462 · Headquarters: Ormond Beach, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Friends of the Osa

    EIN 810621147 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Friends of the Osmvista Team

    EIN 261103436 · Headquarters: BECKLEY, WV, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  81. Friends of the Oswegatchie Hills Nature Preserve Inc

    EIN 061632142 · Headquarters: NIANTIC, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Friends of the Ott Preserve

    EIN 383252692 · Headquarters: BATTLE CREEK, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Friends of the Owyhee

    EIN 832527575 · Headquarters: ONTARIO, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Friends Of The Paha Sapa Grotto

    EIN 834525611 · Headquarters: Custer, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Friends of the Palmer River

    EIN 861945465 · Headquarters: Rehoboth, MA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  86. Friends of the Palmetto Bluff Conservancy Inc

    EIN 274267225 · Headquarters: Bluffton, SC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Friends of the Panhandle Pathway Inc

    EIN 261214550 · Headquarters: Winamac, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Friends of the Park Inc and Greenspace

    EIN 870741747 · Headquarters: Lisbon, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Friends of the Park Neosho Inc

    EIN 862685430 · Headquarters: Neosho, MO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Friends of the Parker River National Wildlife Refuge

    EIN 223295155 · Headquarters: Newburyport, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Friends of the Parks Inc

    EIN 260071804 · Headquarters: Corpus Christi, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Friends of the Parrie Haynes Ranch

    EIN 331142417 · Headquarters: KILLEEN, TX, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Friends of the Passaic River Inc

    EIN 223523041 · Headquarters: Hoboken, NJ, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  94. Friends of the Paulding Park District Inc

    EIN 822182667 · Headquarters: Oakwood, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Friends of the Peak

    EIN 841344926 · Headquarters: Colorado Springs, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Friends of the Pecos River

    EIN 853777964 · Headquarters: Iraan, TX, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  97. Friends of the Pee Dee Refuge Inc

    EIN 562072199 · Headquarters: Ansonville, NC, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  98. Friends of the Peiffer Memorial Arb

    EIN 831129377 · Headquarters: New Cumberland, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Friends of the Pend Doreille Bay Trail Inc

    EIN 273483895 · Headquarters: SANDPOINT, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Friends of the Petaluma River

    EIN 943275198 · Headquarters: PETALUMA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

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