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. Iabs Americas Corp

    EIN 844498545 · Headquarters: Miami, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Ian Somerhalder Foundation

    EIN 273968460 · Headquarters: Los Angeles, CA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  3. Iaqvec USA

    EIN 992437952 · Headquarters: Torrance, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Icare Corporation

    EIN 861391515 · Headquarters: ISLAMORADA, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. Icarewecare

    EIN 273722246 · Headquarters: Bellevue, WA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  6. Ice Age Floods Institute

    EIN 208445857 · Headquarters: RICHLAND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Ice Age Floods Institute

    EIN 263400113 · Headquarters: RICHLAND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Ice Age Floods Institute

    EIN 263400183 · Headquarters: RICHLAND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Ice Age Floods Institute

    EIN 263400236 · Headquarters: RICHLAND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Ice Age Floods Institute

    EIN 475213861 · Headquarters: RICHLAND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Ice Age Floods Institute

    EIN 721533026 · Headquarters: RICHLAND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Ice Age Floods Institute

    EIN 900210054 · Headquarters: RICHLAND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Ice Age Floods Institute

    EIN 900252330 · Headquarters: RICHLAND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Ice Age Floods Institute

    EIN 911658221 · Headquarters: RICHLAND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Ichetucknee Alliance Inc

    EIN 462656320 · Headquarters: Gainesville, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Icleanwaterways Lcc

    EIN 371990154 · Headquarters: GOODMAN, MO, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  17. Iclei - Local Governments for Sustainability USA Inc

    EIN 043116623 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Iconic Conservation Fund

    EIN 463851747 · Headquarters: La Jolla, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  19. Iconic Lands

    EIN 331578577 · Headquarters: W Saint Paul, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Iconic USA

    EIN 921797839 · Headquarters: Virginia Beach, VA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Icrest Foundation Inc

    EIN 920512933 · Headquarters: Sausalito, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Ict Trees Inc

    EIN 922687321 · Headquarters: Wichita, KS, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Ictrees Inc

    EIN 810874028 · Headquarters: WICHITA, KS, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  24. Ida Cason Callaway Foundation

    EIN 580607075 · Headquarters: PINE MOUNTAIN, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Ida County Conservation Foundation

    EIN 421370488 · Headquarters: Ida Grove, IA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Ida South Dakota Inc

    EIN 821333601 · Headquarters: Sioux Falls, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Ida Sustainable Water Resources Foundation

    EIN 823477983 · Headquarters: DANVERS, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Idaho Advanced Energy Consortium

    EIN 922637425 · Headquarters: IDAHO FALLS, ID, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Idaho Association of Soil Conservation Districts Inc

    EIN 820392337 · Headquarters: BOISE, ID, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Idaho BaseCamp

    EIN 273427884 · Headquarters: Ketchum, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Idaho Botanical Garden Inc

    EIN 820379274 · Headquarters: BOISE, ID, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Idaho Business for the Outdoors

    EIN 821973091 · Headquarters: BOISE, ID, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Idaho Clean Energy Association Inc

    EIN 454216105 · Headquarters: BOISE, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Idaho Clinicians for Climate and Health

    EIN 922360017 · Headquarters: Boise, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Idaho Coalition of Land Trusts

    EIN 464754548 · Headquarters: BOISE, ID, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Idaho Concrete and Aggregate Products Inc

    EIN 820301144 · Headquarters: BOISE, ID, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Idaho Dairy Water and Land Trust Inc

    EIN 260214388 · Headquarters: TWIN FALLS, ID, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  38. Idaho Energy Freedom Ltd

    EIN 884019884 · Headquarters: BOISE, ID, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Idaho Falls Community Garden Association Inc

    EIN 820488461 · Headquarters: IDAHO FALLS, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Idaho Forest Owners Association Education Foundation

    EIN 813361898 · Headquarters: COEUR D ALENE, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Idaho Forest Restoration Partnership

    EIN 850588008 · Headquarters: Boise, ID, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  42. Idaho Foundation for Parks and Lands

    EIN 237255461 · Headquarters: BOISE, ID, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Idaho Garden Clubs Inc

    EIN 237048616 · Headquarters: Idaho Falls, ID, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  44. Idaho Horticulture Society

    EIN 208863994 · Headquarters: Boise, ID, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  45. Idaho Interfaith Power & Light

    EIN 882584650 · Headquarters: Caldwell, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Idaho Natural Resource Foundation Inc

    EIN 270327620 · Headquarters: Boise, ID, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Idaho Organization of Resource Coun

    EIN 465310102 · Headquarters: BOISE, ID, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Idaho Outdoor Association

    EIN 474045945 · Headquarters: Boise, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Idaho Overland Association

    EIN 882033966 · Headquarters: Idaho Falls, ID, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  50. Idaho Potato Growers Association Inc

    EIN 820256192 · Headquarters: Driggs, ID, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Idaho River Kids Inc

    EIN 820521495 · Headquarters: BOISE, ID, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Idaho Rivers United

    EIN 820439916 · Headquarters: BOISE, ID, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Idaho Section American Nuclear Society Inc

    EIN 237133332 · Headquarters: Idaho Falls, ID, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Idaho Section of the Society for Range Management Inc

    EIN 820326193 · Headquarters: Jerome, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Idaho Sfi Implementation Committee Inc

    EIN 451025156 · Headquarters: BOISE, ID, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Idaho Single Track Alliance

    EIN 844026055 · Headquarters: IDAHO FALLS, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Idaho Smart Growth

    EIN 820522757 · Headquarters: BOISE, ID, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Idaho Solid Waste Association Inc

    EIN 371755282 · Headquarters: Boise, ID, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Idaho Sustainability and Energy Coalition

    EIN 863477278 · Headquarters: IDAHO FALLS, ID, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Idaho Tree Farm Program

    EIN 814061530 · Headquarters: Rathdrum, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Idaho Washington Aquifer Collaborative Inc

    EIN 463380625 · Headquarters: POST FALLS, ID, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Idaho Water Education Foundation Inc

    EIN 820475550 · Headquarters: Boise, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Ideas Institute

    EIN 341905156 · Headquarters: Cleveland Hts, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Identity Ecosystem Steering Group Inc

    EIN 464120769 · Headquarters: MANASSAS, VA, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990

  65. Identity Ecosystem Steering Group Industry Association Inc

    EIN 464154044 · Headquarters: Manassas, VA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  66. Idora Neighborhood Association

    EIN 264638280 · Headquarters: Youngstown, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Idyllwild Forest Health Project

    EIN 822208987 · Headquarters: IDYLLWILD, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. IEA Research & Education Foundation

    EIN 811925084 · Headquarters: Coronado, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Iewe Hanau O Ka Aina

    EIN 993547218 · Headquarters: Naalehu, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. If Not Us Then Who

    EIN 814186787 · Headquarters: TARZANA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Ifta Research Foundation

    EIN 454035232 · Headquarters: KENNEIWCK, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Igdc Solutionsorg

    EIN 453773308 · Headquarters: San Dimas, CA, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  73. Iglesia Ministerio Del Espiritu Santo Inc

    EIN 823023253 · Headquarters: Hollywood, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  74. Ignition Green

    EIN 822192801 · Headquarters: Helotes, TX, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  75. Igo Ono Area Neighborhood Watch Homeland Security Group

    EIN 680634803 · Headquarters: Igo, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Igreen Planet

    EIN 933472263 · Headquarters: Castro Valley, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  77. Iheartwater

    EIN 473014061 · Headquarters: Schertz, TX, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  78. Ihope Foundation Inc

    EIN 823983640 · Headquarters: Cape Girardeau, MO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Ijams Nature Center Inc

    EIN 591777902 · Headquarters: KNOXVILLE, TN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Ike Lawaia

    EIN 992063808 · Headquarters: Captain Cook, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Ikebana Chapter 41 Albuquerque

    EIN 371594217 · Headquarters: Albuqueruqe, NM, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Ikebana International Chicago Chapter

    EIN 363182239 · Headquarters: Winnetka, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Ikebana of Richmond

    EIN 541090248 · Headquarters: RICHMOND, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Ikena Ecosystens

    EIN 932539372 · Headquarters: Kaneohe, HI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. Ikenobo Ikebana Society Anchorage Alaska Chapter

    EIN 870689538 · Headquarters: Anchorage, AK, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Ikenobo Ikebana Society Honolulu Hawaii Chapter

    EIN 800226242 · Headquarters: waipahu, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Ikenobo Ikebana Society New York City Chapter

    EIN 651254530 · Headquarters: New York, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Il Association of Resource Conservation & Development Areas

    EIN 371280751 · Headquarters: Macomb, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Il Quga A10

    EIN 471491459 · Headquarters: MIDDLETOWN, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Ilili Inc

    EIN 883562280 · Headquarters: NORTH MIAMI, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Ilion Community Garden Inc

    EIN 831716176 · Headquarters: Ilion, NY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Illahee

    EIN 931260527 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Illahee Forest Preserve

    EIN 300221632 · Headquarters: BREMERTON, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Illini Solar Car

    EIN 843504666 · Headquarters: Urbana, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Illinois African Violet Society Inc

    EIN 363309401 · Headquarters: Hanover Park, IL, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  96. Illinois Association of Conservation Districts

    EIN 882516600 · Headquarters: Belvidere, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Illinois Association of Environmental Professionals

    EIN 363876637 · Headquarters: Rosemont, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Illinois Audubon Society

    EIN 366065870 · Headquarters: SPRINGFIELD, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Illinois Chapter American Society of Landscape Architects

    EIN 363662663 · Headquarters: OAK BROOK, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Illinois Clean Energy Community Foundation

    EIN 364334358 · Headquarters: Chicago, IL, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

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