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. Maple Place Inc

    EIN 830732313 · Headquarters: Laona, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Maple Society of North America

    EIN 300030518 · Headquarters: Port Angeles, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Maple Trails Garden Club

    EIN 900785886 · Headquarters: Maple Valley, WA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  4. Maplewood Memorial Park Conservancy

    EIN 352574822 · Headquarters: Maplewood, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Maqoor Environmental NGO

    EIN 994945810 · Headquarters: Philadelphia, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Mar Vista Landkeepers Preservation

    EIN 450516194 · Headquarters: Los Angeles, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  7. Maranacook Lake Association Inc

    EIN 237411541 · Headquarters: Winthrop, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Marathon Daffodils Inc

    EIN 822358019 · Headquarters: CHARLESTOWN, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Marathon Garden Club Inc

    EIN 591830625 · Headquarters: Marathon, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Marbledale Road Environmental Coalition Inc

    EIN 811969430 · Headquarters: Pelham, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Marblehead Conservancy Inc

    EIN 043569947 · Headquarters: Marblehead, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Marcan Tiger Preserve Inc

    EIN 201681670 · Headquarters: SARASOTA, FL, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  13. Marcellus Outreach Butler

    EIN 452600456 · Headquarters: Evans City, PA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. March Against Revenge Porn Inc

    EIN 853584051 · Headquarters: Wolcott, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Marec Action

    EIN 832909587 · Headquarters: SILVER SPRING, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Margaret & Luke Pettit Preserve Inc

    EIN 582483534 · Headquarters: CARTERSVILLE, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Margaret Burton Inc

    EIN 833282665 · Headquarters: Charlotte, NC, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. Marginal Way Preservation Fund

    EIN 010957572 · Headquarters: OGUNQUIT, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Marian Coffin Garden at Gibraltar Inc

    EIN 273022218 · Headquarters: WILMINGTON, DE, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  20. Marian Eucharistic Missionary Sisters of the Poor

    EIN 990840644 · Headquarters: TARZANA, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Mariana Islands Nature Alliance

    EIN 660664562 · Headquarters: Saipan, MP, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Marianas Resource Conservation and Development Council

    EIN 660484339 · Headquarters: Mongmong, GU, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  23. Mariaville Civic Association Inc R D 1 Pattersonville

    EIN 141665878 · Headquarters: DUANESBURG, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Maricopa Bird Alliance Co Emily Thomas

    EIN 866040458 · Headquarters: QUEEN CREEK, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Maricopa Trail & Park Foundation

    EIN 200707991 · Headquarters: GLENDALE, AZ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Mariculture Innovation Center Inc

    EIN 393584981 · Headquarters: Douglas, AK, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Marie H Ketelsen Learning Center

    EIN 421422915 · Headquarters: DELMAR, IA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  28. Marietta Clean City Commission

    EIN 581535941 · Headquarters: Marietta, GA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  29. Marietta Tree Keepers Inc

    EIN 200092127 · Headquarters: MARIETTA, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Marigold Farms Inc

    EIN 842954987 · Headquarters: Frazier Park, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Marigold Mile Inc

    EIN 391577826 · Headquarters: APPLETON, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Marin Art and Garden Center

    EIN 941085734 · Headquarters: Ross, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Marin Audubon Society

    EIN 946076664 · Headquarters: MILL VALLEY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Marin Backyard Habitats Inc

    EIN 392871228 · Headquarters: WOODACRE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Marin Citizens for Energy Planning

    EIN 942391939 · Headquarters: SAN RAFAEL, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  36. Marin Conservation League

    EIN 946089780 · Headquarters: SAN RAFAEL, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Marin Garden Club

    EIN 815183668 · Headquarters: ROSS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Marin Made

    EIN 813979843 · Headquarters: SAUSALITO, CA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  39. Marin Open Space Trust

    EIN 262460667 · Headquarters: SAN RAFAEL, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Marin Orchid Society

    EIN 461508809 · Headquarters: San Anselmo, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Marine and Coastal Ecology Research Center

    EIN 461145979 · Headquarters: Spring Hill, FL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Marine and Environmental Education

    EIN 911829208 · Headquarters: La Mesa, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  43. Marine Aquarium & Reef Society of Houston Inc

    EIN 752981833 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Marine City Garden Club

    EIN 994011965 · Headquarters: EAST CHINA, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Marine Cleanup Initiative Inc

    EIN 270248580 · Headquarters: Port Saint Lucie, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Marine Conservation Alliance

    EIN 920175743 · Headquarters: MERCER ISLAND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Marine Conservation Without Borders

    EIN 813122642 · Headquarters: Florence, SC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Marine Debris Foundation

    EIN 884011690 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Marine Environmental Research Inc

    EIN 200517467 · Headquarters: SISTERS, OR, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  50. Marine Exchange of Alaska Inc

    EIN 920173630 · Headquarters: JUNEAU, AK, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  51. Marine Fish Conservation Network

    EIN 204254493 · Headquarters: Arlington, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Marine Insurance Seminars Inc

    EIN 760317354 · Headquarters: Weatherford, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Marine Life Foundation Inc

    EIN 834519955 · Headquarters: Bartow, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Marine Mammal Conservation Through The

    EIN 203983797 · Headquarters: CARMEL, CA, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  55. Marine Order for Research & Action Through Environmental Stewardship

    EIN 842898638 · Headquarters: MIAMI, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Marine Preservation Society of the Florida Keys Inc

    EIN 920445890 · Headquarters: KEY WEST, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Marine Protected Area Collaborative Network

    EIN 931681953 · Headquarters: SAN JUAN CAPISTRANO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Marine Research and Assistance Council

    EIN 271593067 · Headquarters: New Orleans, LA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Marine Resources Council of East Florida Inc

    EIN 593030066 · Headquarters: PALM BAY, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Marine Stewardship Council

    EIN 980470539 · Headquarters: London, Europe, UK · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Marine Stewardship Council Limited

    EIN 912018427 · Headquarters: Tukwila, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Marine Ventures Foundation Inc % J Thomas Mcmurray

    EIN 522297698 · Headquarters: BOULDER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. Marine Watch International

    EIN 753063075 · Headquarters: SAN FRANCISCO, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  64. Marine Watchdogs

    EIN 920868057 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Marinelife Aquarium Society of Michigan

    EIN 383724063 · Headquarters: Waterford, MI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Mariners Impact

    EIN 204941375 · Headquarters: Irvine, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  67. Mariners Marsh Conservancy

    EIN 133931261 · Headquarters: Staten Island, NY, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  68. Marinwatch

    EIN 943387649 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  69. Marion Big Scrub Chapter Flordia Native Plant Society

    EIN 272884601 · Headquarters: Anthony, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Marion County Master Gardener Association

    EIN 351770741 · Headquarters: Indianapolis, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Marion County Master Gardeners Association

    EIN 911830020 · Headquarters: Salem, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Marion County Self-help Organization

    EIN 640862587 · Headquarters: Columbia, MS, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  73. Marion County Springs Festival Inc

    EIN 275121953 · Headquarters: SILVER SPGS, FL, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  74. Marion County Wellfield Education Corp C/o Mundell Associates

    EIN 352032313 · Headquarters: INDIANAPOLIS, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Marion Garden Group

    EIN 043200920 · Headquarters: MARION, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Marion Lake Association

    EIN 431901236 · Headquarters: Tampa, KS, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  77. Marion Lake Restoration Committee Inc

    EIN 205634229 · Headquarters: EAST MARION, NY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Marion Pond Association

    EIN 352274767 · Headquarters: Marion, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Marion Soil & Water Conservation District

    EIN 592337612 · Headquarters: Ocala, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Marion Township Community Association Inc

    EIN 474451529 · Headquarters: Womelsdorf, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Mariposa Biomass Project

    EIN 472489182 · Headquarters: Mariposa, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Mariposa Butterfly Festival Inc

    EIN 852475621 · Headquarters: Mariposa, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Mariposa Foundation

    EIN 812600702 · Headquarters: BRECKENRIDGE, CO, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  84. Mariposa Lily Project

    EIN 842261227 · Headquarters: Woody Creek, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Mariposa Trails

    EIN 851241296 · Headquarters: Mariposa, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. Mariposans for the Enviroment and Responsible Government

    EIN 770245942 · Headquarters: Mariposa, CA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  87. Mariposans for the Environment and Responible Government

    EIN 950095053 · Headquarters: Mariposa, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  88. Mariposas Without Borders

    EIN 873574706 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Marisol Inc

    EIN 270203490 · Headquarters: Burbank, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  90. Marissas Cause

    EIN 922176766 · Headquarters: Pittsburgh, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Maritimas

    EIN 823786951 · Headquarters: Edgewater, MD, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  92. Maritime Chapter of the Georgia Native Plant Society

    EIN 992101044 · Headquarters: Richmond Hill, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Maritime Education and Research Society Inc

    EIN 473619937 · Headquarters: Southern Pines, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Marjory Stoneman Douglas Biscayne Nature Center

    EIN 592549600 · Headquarters: Key Biscayne, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Mark Baumer Sustainability Fund

    EIN 815131526 · Headquarters: Bryant Pond, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Mark Twain Lake Friends of Recreation and Environmental Stewa

    EIN 352445931 · Headquarters: Monroe City, MO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Market Forces

    EIN 874064521 · Headquarters: Vilas, NC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Marketas Journey Inc

    EIN 921613187 · Headquarters: MEDFORD LAKES, NJ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. Marketplace Mavens Movement

    EIN 853784637 · Headquarters: East Orange, NJ, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. Marlboro Foundation

    EIN 862474506 · Headquarters: MARLBORO, VT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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