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. Island-mud Lake Property Owners Association

    EIN 030485745 · Headquarters: EMILY, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Islands and Seas

    EIN 472871781 · Headquarters: Oakland, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  3. Islands First Inc

    EIN 320214126 · Headquarters: New York, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Islands4kids

    EIN 465112154 · Headquarters: REDMOND, WA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  5. Islandwood

    EIN 311654076 · Headquarters: BAINBRIDGE ISLAND, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Isle Lamotte Reef Preservation Tr Inc

    EIN 030359329 · Headquarters: Isle La Motte, VT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Isle Royale Boaters Association Inc

    EIN 383440407 · Headquarters: HOUGHTON, MI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Isle Royale Natural History Association

    EIN 386156566 · Headquarters: Houghton, MI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Isles E4 Inc

    EIN 270375809 · Headquarters: TRENTON, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Isles Mill 57 Inc

    EIN 271568899 · Headquarters: TRENTON, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. ISO New England

    EIN 043372500 · Headquarters: HOLYOKE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Israel Nature and Heritage Foundati

    EIN 821465949 · Headquarters: GROVE CITY, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Israel Strategic Alternative Energy Foundation

    EIN 800263559 · Headquarters: SAN FRANCISCO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Issaquah Environmental Council

    EIN 200127697 · Headquarters: Issaquah, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Issaquah Garden Club

    EIN 300155328 · Headquarters: Issaquah, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Itasca Waters

    EIN 274411875 · Headquarters: Grand Rapids, MN, United States · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Itcore Talent Development Initiative

    EIN 873182527 · Headquarters: North Versailles, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Ithaca Arbor Coalition

    EIN 262660551 · Headquarters: Slaterville Springs, NY, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  19. Ithaca Childrens Garden Inc

    EIN 522291247 · Headquarters: Ithaca, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Ithaca Garden Club Inc

    EIN 161159783 · Headquarters: Ithaca, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Ithaka Housing

    EIN 742186914 · Headquarters: Colorado Springs, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. Itisoverdue

    EIN 862819165 · Headquarters: WINNETKA, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. ITown My Town

    EIN 922681483 · Headquarters: Indiantown, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Its a Sign of the Pines a Nj Nonprofit Corporation

    EIN 454343103 · Headquarters: Sweetwater, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Its About Sea Life

    EIN 800817837 · Headquarters: Tiburon, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  26. Its Just Money

    EIN 934965890 · Headquarters: FLINT, MI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Its Our Home

    EIN 262872625 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  28. Its Our Wild Nature

    EIN 800911536 · Headquarters: Columbia, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Its West Springfield Inc

    EIN 364770573 · Headquarters: WEST SPRINGFIELD, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Itscool

    EIN 900431711 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  31. Iucn Academy of Environment Law Ltd

    EIN 814660066 · Headquarters: BALTIMORE, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Ives Trail and Greenway Regional Association

    EIN 461127798 · Headquarters: Danbury, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Ivins Night Sky Initiative

    EIN 833610253 · Headquarters: IVINS, UT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. Ivory-billed Woodpecker Fdn Inc

    EIN 205601478 · Headquarters: GURLEY, AL, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  35. Ivy Creek Foundation Inc

    EIN 541112932 · Headquarters: CHARLOTTESVILLE, VA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Iwokrama Friends - USA Inc

    EIN 300290642 · Headquarters: Croton on Hudson, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Ix Power Foundation

    EIN 461094485 · Headquarters: Golden, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Ixora Garden Club of Sanford

    EIN 823284127 · Headquarters: Sanford, FL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Iyfr Western Lake Erie Fleet

    EIN 471114853 · Headquarters: Toledo, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Izaak Walton League

    EIN 366110182 · Headquarters: Des Plaines, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Izaak Walton League America Chapter 106

    EIN 900520687 · Headquarters: alexandria, IN, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  42. Izaak Walton League of Amercia Inc

    EIN 460344281 · Headquarters: Madison, SD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Izaak Walton League of America

    EIN 421153159 · Headquarters: Decorah, IA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  44. Izaak Walton League of America

    EIN 426081311 · Headquarters: Fort Dodge, IA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  45. Izaak Walton League of America

    EIN 432012691 · Headquarters: Arapahoe, NE, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  46. Izaak Walton League of America

    EIN 470596980 · Headquarters: LINCOLN, NE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Izaak Walton League of America

    EIN 556037065 · Headquarters: MARTINSBURG, WV, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Izaak Walton League of America

    EIN 753125197 · Headquarters: Holden, ME, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  49. Izaak Walton League of America

    EIN 846037630 · Headquarters: Colorado Springs, CO, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  50. Izaak Walton League of America

    EIN 936022052 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  51. Izaak Walton League of America - Calumet Regi

    EIN 366472683 · Headquarters: DOLTON, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. Izaak Walton League of America - Rockville Chapter

    EIN 521481039 · Headquarters: Germantown, MD, United States · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Izaak Walton League of America Agassiz Chapter

    EIN 237108056 · Headquarters: Grant, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Izaak Walton League of America Belo

    EIN 396073983 · Headquarters: Beloit, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Izaak Walton League of America Ding Darling Chapter

    EIN 510246208 · Headquarters: des moines, IA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  56. Izaak Walton League of America Endowment

    EIN 366076589 · Headquarters: AMHERST JUNCTION, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Izaak Walton League of America Huntington County Chapter

    EIN 352041968 · Headquarters: HUNTINGTON, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Izaak Walton League of America Inc

    EIN 201446440 · Headquarters: Bellevue, IA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  59. Izaak Walton League of America Inc

    EIN 208452267 · Headquarters: Delta, OH, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  60. Izaak Walton League of America Inc

    EIN 237030890 · Headquarters: Corvallis, OR, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  61. Izaak Walton League of America Inc

    EIN 237094796 · Headquarters: Parsons, WV, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  62. Izaak Walton League of America Inc

    EIN 251872021 · Headquarters: Brownsville, PA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  63. Izaak Walton League of America Inc

    EIN 310920281 · Headquarters: Crete, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Izaak Walton League of America Inc

    EIN 311097334 · Headquarters: Loveland, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Izaak Walton League of America Inc

    EIN 330726509 · Headquarters: Santa Ana, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  66. Izaak Walton League of America Inc

    EIN 356004410 · Headquarters: CLINTON, IN, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  67. Izaak Walton League of America Inc

    EIN 356042646 · Headquarters: Huntertown, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Izaak Walton League of America Inc

    EIN 356244914 · Headquarters: Logansport, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Izaak Walton League of America Inc

    EIN 362773524 · Headquarters: Northbrook, IL, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  70. Izaak Walton League of America Inc

    EIN 393330623 · Headquarters: VICTOR, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Izaak Walton League of America Inc

    EIN 411540999 · Headquarters: le center, MN, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  72. Izaak Walton League of America Inc

    EIN 416023930 · Headquarters: Bloomington, MN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Izaak Walton League of America Inc

    EIN 416037518 · Headquarters: Red Wing, MN, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  74. Izaak Walton League of America Inc

    EIN 420806386 · Headquarters: NEWTON, IA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Izaak Walton League of America Inc

    EIN 421215564 · Headquarters: Forest City, IA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  76. Izaak Walton League of America Inc

    EIN 421240217 · Headquarters: Newton, IA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  77. Izaak Walton League of America Inc

    EIN 421245645 · Headquarters: Humboldt, IA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  78. Izaak Walton League of America Inc

    EIN 421357150 · Headquarters: Muscatine, IA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  79. Izaak Walton League of America Inc

    EIN 426078444 · Headquarters: Salix, IA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  80. Izaak Walton League of America Inc

    EIN 426087943 · Headquarters: DAVENPORT, IA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Izaak Walton League of America Inc

    EIN 470666746 · Headquarters: Lincoln, NE, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  82. Izaak Walton League of America Inc

    EIN 470757293 · Headquarters: CRETE, NE, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  83. Izaak Walton League of America Inc

    EIN 470766508 · Headquarters: Beemer, NE, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  84. Izaak Walton League of America Inc

    EIN 521382339 · Headquarters: Anamosa, IA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  85. Izaak Walton League of America Inc

    EIN 521382376 · Headquarters: Mahomet, IL, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  86. Izaak Walton League of America Inc

    EIN 521382389 · Headquarters: Morgantown, WV, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  87. Izaak Walton League of America Inc

    EIN 521382408 · Headquarters: Silverton, OR, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  88. Izaak Walton League of America Inc

    EIN 521382427 · Headquarters: Delta, OH, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  89. Izaak Walton League of America Inc

    EIN 521382434 · Headquarters: Minneapolis, MN, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  90. Izaak Walton League of America Inc

    EIN 521382442 · Headquarters: San Pedro, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  91. Izaak Walton League of America Inc

    EIN 521384801 · Headquarters: White Lake, MI, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  92. Izaak Walton League of America Inc

    EIN 521703054 · Headquarters: DeWitt, IA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  93. Izaak Walton League of America Inc

    EIN 541184969 · Headquarters: Front Royal, VA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  94. Izaak Walton League of America Inc

    EIN 541268054 · Headquarters: Covington, VA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  95. Izaak Walton League of America Inc

    EIN 541356214 · Headquarters: Gainesville, VA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  96. Izaak Walton League of America Inc

    EIN 550686487 · Headquarters: Richwood, WV, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  97. Izaak Walton League of America Inc

    EIN 731424872 · Headquarters: STILLWATER, OK, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  98. Izaak Walton League of America Inc

    EIN 836006547 · Headquarters: Laramie, WY, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  99. Izaak Walton League of America Inc

    EIN 840952040 · Headquarters: Trinidad, CO, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  100. Izaak Walton League of America Inc

    EIN 911593648 · Headquarters: Fox Island, WA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

First page and all pages