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 Sabino Canyon Inc

    EIN 860733050 · Headquarters: TUCSON, AZ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Friends of Sabins Pasture Inc

    EIN 043600529 · Headquarters: montpelier, VT, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  3. Friends of Saddle Mountain

    EIN 841711836 · Headquarters: Tonopah, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Friends of Saguaro National Park

    EIN 860842503 · Headquarters: Tucson, AZ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Friends of Salt Point Limited

    EIN 821833059 · Headquarters: Lansing, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Friends of Saltwater State Park

    EIN 993256231 · Headquarters: DES MOINES, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Friends of Sammamish Valley Foundation

    EIN 844295163 · Headquarters: Woodinville, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Friends of San Bruno Mountain

    EIN 943325382 · Headquarters: Daly City, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  9. Friends of San Damiano Inc

    EIN 852595886 · Headquarters: Monona, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Friends of San Diego Wildlife Refuges

    EIN 330884813 · Headquarters: Imperial Beach, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Friends of San Joaquin River Gorge

    EIN 811005953 · Headquarters: Auberry, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Friends of San Jose Beautiful

    EIN 770361494 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  13. Friends of San Lorenzo Creek

    EIN 431988292 · Headquarters: Castro Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Friends of San Luis Obispo Botanical Garden

    EIN 770248682 · Headquarters: SAN LUIS OBISPO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Friends of Sanborn Nature Camp Inc

    EIN 824498022 · Headquarters: Stillwater, OK, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  16. Friends of Sand Dune Park

    EIN 921287817 · Headquarters: Manhattan Beach, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. Friends of Sandusky Greenhouse Inc

    EIN 273410168 · Headquarters: Sandusky, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Friends of Sandy Pond Beach

    EIN 161586382 · Headquarters: Sandy Creek, NY, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  19. Friends of Sapelo Inc

    EIN 274206458 · Headquarters: Darien, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Friends of Sargent

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

  21. Friends of Sausal Creek

    EIN 912147216 · Headquarters: OAKLAND, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Friends of Scarborough Marsh

    EIN 010534850 · Headquarters: SCARBOROUGH, ME, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  23. Friends of Scarlett Mitchell Woods

    EIN 931397072 · Headquarters: Ann Arbor, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Friends of Scenic Chocolog Road Inc

    EIN 813513895 · Headquarters: Uxbridge, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Friends of Scenic Lodi Valley Inc

    EIN 391994153 · Headquarters: Lodi, WI, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  26. Friends of Schlitz Audubon Nature Center Inc

    EIN 391231819 · Headquarters: MILWAUKEE, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Friends of Schmeeckle Reserve Inc

    EIN 464511784 · Headquarters: Stevens Point, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Friends of Scioto Brush Creek Inc

    EIN 030583970 · Headquarters: Otway, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Friends of Scotchman Peaks Wilderness Inc

    EIN 743202365 · Headquarters: SANDPOINT, ID, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Friends of Scotts Gulf Wilderness State Park

    EIN 821805362 · Headquarters: Sparta, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Friends of Sears Island

    EIN 204814487 · Headquarters: SEARSPORT, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Friends of Sears Sunken Garden

    EIN 873629629 · Headquarters: Chicago, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Friends of Seaside Parks Association

    EIN 301431201 · Headquarters: SEASIDE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Friends of Seaside State Park

    EIN 833127450 · Headquarters: New Canaan, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Friends of Seattles Olmsted Parks

    EIN 911270041 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Friends of Sebago Lake Inc

    EIN 010473696 · Headquarters: Fryeburg, ME, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  37. Friends of Secrest Aboretum

    EIN 341787692 · Headquarters: WOOSTER, OH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  38. Friends of Secret Woods Inc

    EIN 650407337 · Headquarters: sw ranches, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Friends of Sellecks Woods Inc

    EIN 061225601 · Headquarters: DARIEN, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Friends of Seminole State Forest

    EIN 841771796 · Headquarters: SORRENTO, FL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. Friends of Seneca County Park District

    EIN 341934859 · Headquarters: Tiffin, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Friends of Seneca Creek Patuxent River State Parks Inc

    EIN 311550051 · Headquarters: Gaithersburg, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Friends of Seneca Inc

    EIN 831524863 · Headquarters: Seneca Rocks, WV, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Friends of Seth Low Park Inc

    EIN 812035713 · Headquarters: Brooklyn, NY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Friends of Seven Islands State Birding Park Inc

    EIN 474787578 · Headquarters: Knoxville, TN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Friends of Seymour Woods Inc

    EIN 311601291 · Headquarters: Delaware, OH, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  47. Friends of Shabbona Lake State Park

    EIN 473171252 · Headquarters: Shabbona, IL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Friends of Shades Creek

    EIN 631285871 · Headquarters: Homewood, AL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Friends of Shades Mountain Inc

    EIN 010802896 · Headquarters: Birmingham, AL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Friends of Shapleigh Pond

    EIN 392856509 · Headquarters: West Newfield, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Friends of Shelby Park Inc

    EIN 262738429 · Headquarters: NASHVILLE, TN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Friends of Shell Island Inc

    EIN 263256219 · Headquarters: PANAMA CITY, FL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Friends of Sheri Capehart Nature Preserve

    EIN 991481655 · Headquarters: Arlington, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Friends of Sherwood Forest Elementary School

    EIN 453960323 · Headquarters: WINSTON SALEM, NC, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  55. Friends of Sherwood Island State Park

    EIN 061446244 · Headquarters: WESTPORT, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Friends of Shiawassee Nwr

    EIN 383461530 · Headquarters: Saginaw, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Friends of Shipley Nature Center

    EIN 680517856 · Headquarters: HUNTINGTON BEACH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Friends of Short Springs

    EIN 621683606 · Headquarters: Tullahoma, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Friends of Silver Lake

    EIN 923052082 · Headquarters: Porterville, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Friends of Silver Lake Nature Center

    EIN 222469083 · Headquarters: Bristol, PA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Friends of Silver Saddle Ranch

    EIN 880513294 · Headquarters: Carson City, NV, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Friends of Six Mile Creek Inc

    EIN 394837796 · Headquarters: Waunakee, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Friends of Six Mile Cypress Slough Preserve Corporation

    EIN 651136073 · Headquarters: Fort Myers, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Friends of Skagit County

    EIN 911576105 · Headquarters: Mount Vernon, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Friends of Skate Creek Park

    EIN 844693560 · Headquarters: Packwood, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Friends of Sky Meadows State Park

    EIN 270975285 · Headquarters: Delaplane, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Friends of Sleepy Lagoon Inc

    EIN 825185462 · Headquarters: HOLIDAY, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  68. Friends of Sleepy Valley Inc

    EIN 264728446 · Headquarters: Playa Vista, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  69. Friends of Sligo Creek

    EIN 522345099 · Headquarters: Takoma Park, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Friends of Sloan Canyon

    EIN 200294051 · Headquarters: Henderson, NV, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Friends of Smallwood State Park Inc

    EIN 521963200 · Headquarters: Marbury, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Friends of Smartrails

    EIN 853652823 · Headquarters: Bear Lake, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Friends of Smedley Park Corp

    EIN 821549324 · Headquarters: Springfield, PA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. Friends of Smith & Bybee Lakes

    EIN 931226296 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Friends of Smith Mountain Lake State Park

    EIN 541800903 · Headquarters: Huddleston, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Friends of Smokey-capitan Inc

    EIN 850447472 · Headquarters: Capitan, NM, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  77. Friends of Snoqualmie Valley Trail and River

    EIN 822845041 · Headquarters: NORTH BEND, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  78. Friends of Sonny Bono Salton Sea Na Tional Wildlife Refuge

    EIN 394136877 · Headquarters: Imperial, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Friends of Sonoita Creek

    EIN 320133445 · Headquarters: Patagonia, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Friends of South Cumberland State Parks Inc

    EIN 621556389 · Headquarters: SEWANEE, TN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Friends of South Newport River Inc

    EIN 271536174 · Headquarters: Townsend, GA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Friends of Southampton Open Space

    EIN 852953502 · Headquarters: Southampton, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Friends of Southwest Florida Cisma Inc

    EIN 475427098 · Headquarters: Naples, FL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Friends of Spanaway Lake

    EIN 823785811 · Headquarters: Spanaway, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Friends of Spinreel - Oregon Dunes

    EIN 874084692 · Headquarters: VENETA, OR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Friends of Spirit Lake

    EIN 611626300 · Headquarters: Rochester, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Friends of Split Oak Forest

    EIN 824003128 · Headquarters: Kissimmee, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Friends of Spooners Creek Association

    EIN 273650971 · Headquarters: Morehead City, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Friends of Spy Pond Park

    EIN 043368900 · Headquarters: ARLINGTON, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Friends of Squaw Creek Inc

    EIN 453184898 · Headquarters: Olympic Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Friends of Squaw Valley

    EIN 463265536 · Headquarters: Olympic Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Friends of St Croix East End Marine Park

    EIN 660861162 · Headquarters: Christiansted, VI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Friends of St George

    EIN 542076187 · Headquarters: Tenants Harbor, ME, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  94. Friends of St Joseph Bay Preserves Inc

    EIN 731664447 · Headquarters: Port Saint Joe, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Friends of St Regis Mountain Fire Tower

    EIN 810754093 · Headquarters: Lake Clear, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Friends of Stark Parks

    EIN 341843257 · Headquarters: Canton, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. Friends of Staunton State Park

    EIN 461422154 · Headquarters: Pine, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. Friends of Stevenson Inc

    EIN 475459522 · Headquarters: BALTIMORE, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Friends of Still Creek Inc

    EIN 260658034 · Headquarters: Greenbelt, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Friends of Stillwater Parks Inc

    EIN 411806890 · Headquarters: Stillwater, MN, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

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