Environment nonprofits in Illinois

Environment nonprofits in Illinois. Browse 919 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. Caretakers of the Environment International USA Inc

    EIN 363772605 · Headquarters: Flossmoor, IL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. Caretta Caretta Environmental Corp Nfp

    EIN 822056120 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  3. Carol Stream Parks Foundation

    EIN 455180530 · Headquarters: Carol Stream, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. CDRA Issues & Education Foundation

    EIN 364086233 · Headquarters: Chicago, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Center for Environmental Restoration and Sustainable Energy

    EIN 824168208 · Headquarters: CHAMPAIGN, IL, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  6. Center for Neighborhood Technology

    EIN 362967283 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Center for Transformation of Waste Technology

    EIN 260902692 · Headquarters: Naperville, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Central Illinois Hosta Society

    EIN 371378302 · Headquarters: DUNLAP, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Central States Dahlia Society

    EIN 863631421 · Headquarters: Lombard, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Central States Water Environment Association Inc

    EIN 237378788 · Headquarters: CRYSTAL LAKE, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Champaign County Environmental Stewards

    EIN 841814971 · Headquarters: CHAMPAIGN, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Champaign County Extension Education Foundation

    EIN 205577028 · Headquarters: Lewistown, IL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  13. Champaign County Soil and Water Conservation District Foundation

    EIN 821990642 · Headquarters: CHAMPAIGN, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Champaign-urbana Herb Society

    EIN 371242660 · Headquarters: Mansfield, IL, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  15. Champions of the Chain

    EIN 824499468 · Headquarters: Bloomingdale, IL, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. Chapman Kelley Wildflower Works Foundation

    EIN 473831080 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. Chayah Solutions

    EIN 334615461 · Headquarters: Country Club Hills, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Chicago Area Living Corridor Alliance

    EIN 813297072 · Headquarters: La Grange, IL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  19. Chicago Area Waterways Chloride Workgroup

    EIN 873441732 · Headquarters: NAPERVILLE, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Chicago Bauhaus and Beyond

    EIN 200870076 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  21. Chicago Beach Cleanup

    EIN 882512885 · Headquarters: ARLINGTON HEIGHTS, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Chicago Bird Alliance

    EIN 237245647 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Chicago Botanic Garden

    EIN 362225482 · Headquarters: Glencoe, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Chicago Clean Energy Alliance

    EIN 271945292 · Headquarters: Northbrook, IL, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  25. Chicago Climate Connect

    EIN 932916454 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Chicago Excellence in Gardening Alliance

    EIN 841865451 · Headquarters: CHICAGO, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Chicago Gateway Green Committee

    EIN 363764084 · Headquarters: Chicago, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Chicago Institute for the Study of Architecture & Technology Inc

    EIN 363868626 · Headquarters: Evanston, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Chicago Muslims Green Team

    EIN 852049059 · Headquarters: Chicago, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Chicago Native Garden Projects

    EIN 393671958 · Headquarters: CHICAGO, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Chicago Nature Seekers

    EIN 823668848 · Headquarters: HIGHLAND PARK, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Chicago NORML

    EIN 822477567 · Headquarters: Chicago, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Chicago Recycling Coalition Inc

    EIN 363765996 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Chicago's Environmental Fund

    EIN 364189934 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  35. Children and Elders Forest

    EIN 205432134 · Headquarters: Normal, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Childrens Earth Foundation

    EIN 342037418 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Chum's Foundation

    EIN 367389076 · Headquarters: CALEDONIA, IL, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990

  38. Churchill Park Advisory Council

    EIN 364413662 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Circular Impact Network Inc

    EIN 333060659 · Headquarters: Buffalo Grove, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Citizens Against Predatory Pipelines

    EIN 932249431 · Headquarters: Chillicothe, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Citizens for a Cleaner Chicago Nfp

    EIN 852896213 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Citizens for Conservation Inc

    EIN 237106675 · Headquarters: BARRINGTON, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Citizens United for Responsible Energy Development Nfp

    EIN 923488123 · Headquarters: AVISTON, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Clarendon Hills Park Foundation

    EIN 010651559 · Headquarters: Clarendon Hills, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Clean Community

    EIN 821506259 · Headquarters: chicago, IL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  46. Clean Energy Jobs and Justice Fund

    EIN 933203418 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Clean Our Oceans Refuge Coalition Nfp

    EIN 463691492 · Headquarters: BARRINGTON, IL, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  48. Clean Soil

    EIN 863700005 · Headquarters: Murphysboro, IL, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  49. Clean Up - Give Back Org

    EIN 824822640 · Headquarters: Des Plaines, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Cleaning for a Reason

    EIN 371524180 · Headquarters: Rosemont, IL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990

  51. Clear Ice King

    EIN 992792934 · Headquarters: LINCOLNSHIRE, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. Clear Vision Impacts Nfp

    EIN 923996797 · Headquarters: KENILWORTH, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Clifftop Nfp

    EIN 261882018 · Headquarters: MAYESTOWN, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. Climate Action Evanston

    EIN 275177173 · Headquarters: EVANSTON, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Climate Emergency Response

    EIN 814106594 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  56. Climate Jobs Illinois Education Fund

    EIN 852951883 · Headquarters: SPRINGFIELD, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Climate Jobs Illinois Inc

    EIN 854083030 · Headquarters: SPRINGFIELD, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Climate Vault

    EIN 854211960 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  59. Coalition to Save Jackson Park

    EIN 843681615 · Headquarters: CHICAGO, IL, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. Cofan Survival Fund Inc

    EIN 954712463 · Headquarters: OAK PARK, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Coin Laundry Association

    EIN 237377073 · Headquarters: Oakbrook Terrace, IL, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  62. Coles County Swcd Foundation Nfp

    EIN 753163786 · Headquarters: Charleston, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Community Conservation Botanical Garden of Southern Illinois

    EIN 271361253 · Headquarters: Carbondale, IL, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  64. Community Electronics Technology Interface Inc

    EIN 204350115 · Headquarters: CARBONDALE, IL, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  65. Community Environmental Council

    EIN 710888722 · Headquarters: Decatur, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Community Share Nfp

    EIN 994258718 · Headquarters: MONMOUTH, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Community Solar Solutions Inc

    EIN 881247562 · Headquarters: BARRINGTON HILLS, IL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Compassionate Friends Inc

    EIN 270032080 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  69. Compassionate Friends Inc

    EIN 300751076 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  70. Compassionate Friends Inc

    EIN 300786724 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  71. Compassionate Friends Inc

    EIN 352380209 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  72. Compassionate Friends Inc

    EIN 352389133 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  73. Compassionate Friends Inc

    EIN 363632455 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  74. Compassionate Friends Inc

    EIN 363652245 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  75. Compassionate Friends Inc

    EIN 363984854 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  76. Compassionate Friends Inc

    EIN 364584915 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  77. Compassionate Friends Inc

    EIN 364793467 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  78. Compassionate Friends Inc

    EIN 371555532 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  79. Compassionate Friends Inc

    EIN 371613865 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  80. Compassionate Friends Inc

    EIN 371697279 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  81. Compassionate Friends Inc

    EIN 383730653 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  82. Compassionate Friends Inc

    EIN 391625697 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  83. Compassionate Friends Inc

    EIN 450409530 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  84. Compassionate Friends Inc

    EIN 475135440 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  85. Compassionate Friends Inc

    EIN 611479665 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  86. Compassionate Friends Inc

    EIN 640642774 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  87. Compassionate Friends Inc

    EIN 680514793 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  88. Compassionate Friends Inc

    EIN 742130267 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  89. Compassionate Friends Inc

    EIN 743063555 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  90. Compassionate Friends Inc

    EIN 770663182 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  91. Compassionate Friends Inc

    EIN 810441236 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  92. Compassionate Friends Inc

    EIN 911827817 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  93. Compassionate Friends Inc

    EIN 911906720 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  94. Compassionate Friends Inc

    EIN 912010675 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  95. Compassionate Friends Inc

    EIN 912048834 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  96. Compassionate Friends Inc

    EIN 912074285 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  97. Compassionate Friends Inc

    EIN 930946557 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  98. Connecticut River Ecological Study Foundation Inc

    EIN 200419509 · Headquarters: St Charles, IL, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  99. Connecting the Dots Project

    EIN 333805919 · Headquarters: Springfield, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Conservation Group of Champaign County Ltd

    EIN 371280366 · Headquarters: Cerro Gordo, IL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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