Environment nonprofits in Delaware

Environment nonprofits in Delaware. Browse 155 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. 100 Black Men of Delaware

    EIN 872715325 · Headquarters: WILMINGTON, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. A L Clinton Charitable Foundation

    EIN 872805040 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. Advance America Foundation

    EIN 510325463 · Headquarters: Newark, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Alopias Foundation

    EIN 331857400 · Headquarters: Camden, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. American Friends of Scotlands Canals & Waterways Inc

    EIN 311738474 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  6. American Public Gardens Association

    EIN 237110058 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Apis Academy Inc

    EIN 394837459 · Headquarters: Newark, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Aquarium Divers for Coral Society

    EIN 850554292 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Arasapha Garden Club Inc

    EIN 042772190 · Headquarters: New Castle, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Avian-ag Initiative Corp

    EIN 813686057 · Headquarters: Millsboro, DE, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  11. Aviation Climate Taskforce Inc

    EIN 872111650 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Barefoot Gardeners Club

    EIN 201382199 · Headquarters: Selbyville, DE, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  13. Biogreen Energies Foundation

    EIN 271983213 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  14. Birdsong Gardens Inc

    EIN 811081875 · Headquarters: Frankford, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Black Forest Wildlife Coexist Foundation

    EIN 331634423 · Headquarters: REHOBOTH BEACH, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Branch Energy Org Inc

    EIN 872964339 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. Brandywine Shad 2020 Inc

    EIN 834438592 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. Breathe Mongolia - Clean Air Coalition Inc

    EIN 834376042 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Bright's Creek Conservancy Inc

    EIN 862138211 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Building Decarbonization Coalition

    EIN 854008764 · Headquarters: LEWES, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Carl E Meadwell Hunting Foundation

    EIN 852373815 · Headquarters: TOWNSEND, DE, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  22. Center for the Inland Bays Inc

    EIN 510365565 · Headquarters: REHOBETH BEACH, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Central Atlantic Region of State Garden Clubs

    EIN 814183414 · Headquarters: Millsboro, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Christina Conservancy Inc

    EIN 510263500 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Claymont Coalition for Environmental Justice Inc

    EIN 994655207 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Clean Air Trust Education Fund

    EIN 522240063 · Headquarters: BETHANY BEACH, DE, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  27. Clean Energy Research & Education Institute Inc

    EIN 208607241 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Climate Catalyst Inc

    EIN 993115487 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Coastal Gardeners

    EIN 823162941 · Headquarters: OCEAN VIEW, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. College and University Alumni for a Sustainable Planet

    EIN 331951684 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Community Resource Center Inc

    EIN 462948959 · Headquarters: REHOBOTH BEACH, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Composting for Carbon Inc

    EIN 873935013 · Headquarters: Milford, DE, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. Congo Conservation Foundation

    EIN 843944965 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Conscious Connections Inc

    EIN 450570816 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  35. Conservation Agreement Fund A Nj Nonprofit Corporation

    EIN 262785233 · Headquarters: Lewes, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Countryside Garden Club

    EIN 332239784 · Headquarters: NEWARK, DE, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. Delaware Association for Environmental Education

    EIN 273448564 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Delaware Association of Conservation Dis

    EIN 510331688 · Headquarters: DOVER, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. Delaware Bay and River Cooperative Inc

    EIN 510337819 · Headquarters: LEWES, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Delaware Botanic Gardens Inc

    EIN 320371538 · Headquarters: OCEAN VIEW, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Delaware Center for Horticulture Inc

    EIN 510252857 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Delaware Environmental Coalition Inc

    EIN 333627634 · Headquarters: Dagsboro, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Delaware Federation of Garden Clubs

    EIN 516017919 · Headquarters: Middletown, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Delaware Forestry Association

    EIN 510265677 · Headquarters: Bridgeville, DE, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  45. Delaware Green Recycling Community Outreach

    EIN 834391282 · Headquarters: WILMINGTON, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Delaware Greenways Inc

    EIN 510325462 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Delaware Interfaith Power & Light

    EIN 453593450 · Headquarters: Dover, DE, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  48. Delaware Invasive Species Council Inc

    EIN 510409121 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Delaware Native Plant Society

    EIN 510380394 · Headquarters: DOVER, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Delaware Nature Society

    EIN 516018321 · Headquarters: Hockessin, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Delaware Onsite Wastewater Association Inc

    EIN 452464621 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Delaware River & Bay Lighthouse Foundation Inc

    EIN 233023123 · Headquarters: LEWES, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Delaware Seashore Preservation Foundation Inc

    EIN 510372783 · Headquarters: OCEAN VIEW, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Delaware State Police Trooper Youth Program Inc

    EIN 510392524 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  55. Delmarva Chapter Land Improvement Contractors of America

    EIN 521685353 · Headquarters: DOVER, DE, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  56. Destination Station Center Ltd

    EIN 432003990 · Headquarters: Rehoboth Beach, DE, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  57. Dover Strong Fund Inc

    EIN 872024038 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  58. Duck Creek Gardeners

    EIN 475239386 · Headquarters: Smyrna, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Earth Hacks Foundation

    EIN 833712349 · Headquarters: Claymont, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Ecological Research & Development Group Inc

    EIN 510367685 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Energize Delaware

    EIN 263963904 · Headquarters: Dover, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Enviromental and Energy Conservation Foundation Inc

    EIN 800862283 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  63. Environmental Justice Foundation In

    EIN 320688193 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  64. First State Resource Conservation and Development Council Inc

    EIN 222813763 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Fossil Free Media Inc

    EIN 994379491 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Foundation for Renewable Energy and the Environment

    EIN 274704700 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Four Seasons Gardeners of Heritage Shores

    EIN 824965497 · Headquarters: Bridgeville, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Friends of Brandywine Springs

    EIN 510346948 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Friends of Coopers Farm Cemetery Association

    EIN 882025292 · Headquarters: Clayton, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Friends of Forwood Preserve Inc

    EIN 833838458 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Friends of Lums Pond Inc

    EIN 113695710 · Headquarters: Bear, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Friends of Prime Hook National Wildlife Refuge Inc

    EIN 510380294 · Headquarters: Milton, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Friends of White Clay Creek State Park

    EIN 510381002 · Headquarters: Newark, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Friends of Wilmington Parks

    EIN 510336991 · Headquarters: MONTCHANIN, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Future Sasquatch Ltd

    EIN 922662594 · Headquarters: Frederica, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Garden Club Federation of Pennsylvania

    EIN 232221731 · Headquarters: NEWARK, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Garden Club Federation of Pennsylvania

    EIN 233016489 · Headquarters: NEWARK, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Garden Club of Wilmington

    EIN 222460663 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Garden Gate Garden Club

    EIN 832424768 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Gardeners by the Sea

    EIN 454729158 · Headquarters: Bethany Beach, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Giving Green Research Group Inc

    EIN 332390990 · Headquarters: Dover, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Global Biodiversity Institute

    EIN 510382404 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  83. Global Empathy Project Inc

    EIN 992779260 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Global Portal Institute

    EIN 884091317 · Headquarters: DOVER, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Global Ripple Effect Project Inc

    EIN 851271064 · Headquarters: Newark, DE, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  86. Grow One Future Inc

    EIN 372192387 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. High Asia Habitat Fund

    EIN 850811514 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Hospitality for Trees Inc

    EIN 932636894 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Inland Bays Foundation Inc

    EIN 453544922 · Headquarters: LEWES, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Integrated Vegetation Management (IVM) Partners

    EIN 200130121 · Headquarters: Newark, DE, United States · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. International Association for Vegetation Science

    EIN 472411429 · Headquarters: NEWARK, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Keep Delaware Beautiful Inc

    EIN 820656889 · Headquarters: NEWARK, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Kent County Conservancy Inc

    EIN 432078192 · Headquarters: Dover, DE, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Kew Foundation America

    EIN 943143831 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  95. Kids Saving the Rainforest Inc

    EIN 061594980 · Headquarters: FRANKFORD, DE, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  96. Last Right Inc

    EIN 991343241 · Headquarters: Newark, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Lewes in Bloom Inc

    EIN 301397481 · Headquarters: LEWES, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Lewes Land Preservation Foundation

    EIN 475272229 · Headquarters: Lewes, DE, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  99. Long Life Institute Honey Fund

    EIN 823838779 · Headquarters: MILTON, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Luesther T Mertz Legacy Trust for the Joyce Theater Foundation

    EIN 876288389 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

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