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 New Glarus Woods State Park Inc

    EIN 391993272 · Headquarters: New Glarus, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Friends of New River Trail

    EIN 883549338 · Headquarters: Austinville, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Friends of Newburyport Trees Inc

    EIN 113731723 · Headquarters: Newburyport, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Friends of Nj Ponds a New Jersey Nonprofit Corporation

    EIN 843185167 · Headquarters: GLEN ROCK, NJ, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  5. Friends of Nolin River Lake Inc

    EIN 270266981 · Headquarters: Leitchfield, KY, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  6. Friends of Norfolk's Environment Inc

    EIN 541972879 · Headquarters: NORFOLK, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Friends of North Cove

    EIN 833628780 · Headquarters: Old Saybrook, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Friends of North Creek Forest

    EIN 275439187 · Headquarters: Bothell, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Friends of North Idaho Trails Inc

    EIN 921318904 · Headquarters: Hayden, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Friends of North Prairie Native Gardens

    EIN 874265965 · Headquarters: North Prairie, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Friends of North Sonoma Fns

    EIN 863607876 · Headquarters: Sonoma, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Friends of Northern Arizona Forests

    EIN 270490736 · Headquarters: Flagstaff, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Friends of Northern Flyer Alliance Inc

    EIN 273699438 · Headquarters: Stillwater, OK, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Friends of Northern Lake Champlain

    EIN 571213590 · Headquarters: ST ALBANS, VT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Friends of Northwest Hatcheries

    EIN 911604644 · Headquarters: Leavenworth, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Friends of Northwood Meadows State Park

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

  17. Friends of Norway

    EIN 475501306 · Headquarters: Norway, MI, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  18. Friends of Novi Parks

    EIN 383632354 · Headquarters: Novi, MI, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. Friends of Nulhegan Basin Fish and Wildlife Refuge Inc

    EIN 208504101 · Headquarters: Brunswick, VT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. Friends of O Neal Lake

    EIN 822767779 · Headquarters: Levering, MI, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  21. Friends of O S Gray Natural Area Inc

    EIN 825074039 · Headquarters: Arlington, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Friends of Oak Cliff Parks

    EIN 260076949 · Headquarters: Dallas, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Friends of Oakbourne

    EIN 352258784 · Headquarters: West Chester, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Friends of Oakford Park Inc

    EIN 920363318 · Headquarters: JEANNETTE, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Friends of Oakland Bay

    EIN 933265022 · Headquarters: SHELTON, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Friends of Oakland Lake and Revine

    EIN 721609084 · Headquarters: Bayside, NY, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  27. Friends of Oases Botanic Gardens Corp

    EIN 883610526 · Headquarters: GARY, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  28. Friends of Occoneechee State Park

    EIN 412268083 · Headquarters: CLARKSVILLE, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Friends of Ohikiloio Na Kiai No Kanehunamoku

    EIN 822900583 · Headquarters: Waianae, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Friends of Okeeheelee Nature Center Inc

    EIN 650373841 · Headquarters: WEST PALM BEACH, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Friends of Old Quarry Nature Center Inc

    EIN 060960692 · Headquarters: New Milford, CT, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  32. Friends of Old Stone Fort

    EIN 834063154 · Headquarters: Manchester, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Friends of Old Westbury Inc

    EIN 821191741 · Headquarters: OLD WESTBURY, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Friends of Old Woman Creek Association Inc

    EIN 311558031 · Headquarters: Huron, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Friends of Oleta River State Park Inc

    EIN 650987371 · Headquarters: MIAMI, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Friends of Olympic National Park

    EIN 020619892 · Headquarters: Port Angeles, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Friends of Onaway State Park

    EIN 823534336 · Headquarters: Onaway, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Friends of Opal Cliffs Park

    EIN 813740125 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Friends of Open Planet Inc

    EIN 995025677 · Headquarters: NEWTON, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Friends of Open Space and Vineyards

    EIN 942931912 · Headquarters: Livermore, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Friends of Open Space in Keene

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

  42. Friends of Opossum Lake

    EIN 030586326 · Headquarters: Carlisle, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Friends of Ore Dock Boteco Center

    EIN 364752048 · Headquarters: Marquette, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Friends of Oregon Badlands Wilderness

    EIN 270871855 · Headquarters: Bend, OR, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  45. Friends of Orinda Creeks

    EIN 900666255 · Headquarters: Orinda, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Friends of Orkney Park Inc

    EIN 821202013 · Headquarters: Philadelphia, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Friends of Oscar Scherer State Park Inc

    EIN 650282041 · Headquarters: Osprey, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Friends of Ouabache State Park Inc

    EIN 463723858 · Headquarters: Bluffton, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Friends of Our Florida Reefs

    EIN 473822204 · Headquarters: Dania Beach, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Friends of Outer Island Inc

    EIN 030475026 · Headquarters: Branford, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Friends of Owen Conservation Park Inc

    EIN 881551732 · Headquarters: MADISON, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Friends of Pachaug Forest Inc

    EIN 823981416 · Headquarters: griswold, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Friends of Pacific Marine Sanctuari Es

    EIN 412906448 · Headquarters: Kihei, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Friends of Page Valley

    EIN 541954822 · Headquarters: Stanley, VA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  55. Friends of Pajaro Dunes

    EIN 770558436 · Headquarters: WATSONVILLE, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  56. Friends of Palisades-kepler State Park

    EIN 831342956 · Headquarters: Mount Vernon, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Friends of Palm Beach Inc

    EIN 300845635 · Headquarters: PALM BEACH, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Friends of Palm Springs Mountains

    EIN 522452863 · Headquarters: Palm Springs, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Friends of Palmer Park

    EIN 113804249 · Headquarters: New Orleans, LA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Friends of Palmetto Island Sp Inc

    EIN 452273130 · Headquarters: PERRY, LA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Friends of Pameacha Pond-long Hill Brook Inc

    EIN 934279119 · Headquarters: Middletown, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Friends of Pando Inc

    EIN 873958681 · Headquarters: Richfield, UT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Friends of Paradise Lake

    EIN 264522485 · Headquarters: Carp Lake, MI, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  64. Friends of Park County

    EIN 854085391 · Headquarters: Livingston, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Friends of Park Lake

    EIN 264802031 · Headquarters: Bath, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Friends of Parkville Nature Sanctuary

    EIN 473887338 · Headquarters: Parkville, MO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Friends of Passaic County Parks

    EIN 270919059 · Headquarters: PATERSON, NJ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Friends of Patterson Park Inc

    EIN 522094989 · Headquarters: Baltimore, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Friends of Pattison and Amnicon Falls State Parks Inc

    EIN 391818678 · Headquarters: SUPERIOR, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Friends of Paxson-airmont

    EIN 331786388 · Headquarters: Round Hill, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Friends of Peak Creek

    EIN 462680768 · Headquarters: Christiansburg, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Friends of Peavey Park

    EIN 383848640 · Headquarters: Minneapolis, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Friends of Penn Treaty Park

    EIN 205281093 · Headquarters: Philadelphia, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Friends of Pensacola State Parks Inc

    EIN 593224820 · Headquarters: Pensacola, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Friends of Perch Lake Inc

    EIN 311744774 · Headquarters: HUDSON, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Friends of Percheron Park Inc

    EIN 454609334 · Headquarters: Moorestown, NJ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Friends of Perdido Bay Inc

    EIN 311511746 · Headquarters: Pensacola, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Friends of Peters Lake

    EIN 993015798 · Headquarters: McMurray, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Friends of Peters Pond

    EIN 880721895 · Headquarters: Sandwich, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Friends of Petworth Park

    EIN 455115524 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. Friends of Pheasant Branch Conservancy Inc

    EIN 391838491 · Headquarters: MIDDLETON, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Friends of Pickett State Park

    EIN 453625982 · Headquarters: Jamestown, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Friends of Pickman-Remmer WetlandsInc

    EIN 824447352 · Headquarters: Oakdale, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Friends of Pierce County

    EIN 270021871 · Headquarters: GIG HARBOR, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Friends of Pike Lake Inc

    EIN 391931689 · Headquarters: Hartford, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Friends of Pinchgut Creek

    EIN 871714047 · Headquarters: Trussville, AL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Friends of Pine Creek Watershed Inc

    EIN 753071262 · Headquarters: BARNESVILLE, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Friends of Pine Hill Cemetery Inc

    EIN 463320291 · Headquarters: WESTFIELD, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Friends of Pine Lake

    EIN 911923484 · Headquarters: Sammamish, WA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  90. Friends of Pinecrest

    EIN 263664814 · Headquarters: STRAWBERRY, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Friends of Pinson Mounds

    EIN 843961599 · Headquarters: Pinson, TN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Friends of Pippin Land Trust

    EIN 332111077 · Headquarters: Sault S Marie, MI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  93. Friends of Pisgah View State Park

    EIN 874780601 · Headquarters: Enka, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Friends of Piute Ponds

    EIN 465256161 · Headquarters: TEHACHAPI, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Friends of Plant a Tree on Me a Green Cemetery Project

    EIN 991730647 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Friends of Plant Conservation Foundation

    EIN 300339783 · Headquarters: Raleigh, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Friends of Pleasure Island State Parks Inc

    EIN 874512217 · Headquarters: Carolina Beach, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Friends of Plum Island Inc

    EIN 873208990 · Headquarters: Oakdale, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Friends of Plumas Wilderness

    EIN 680239283 · Headquarters: QUINCY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Friends of Point Arena-stornetta Lands

    EIN 815110186 · Headquarters: Point Arena, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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