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
- H M Hoffman Consulting Inc
EIN 863860300 · Headquarters: PONTE VEDRA, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- H20 Trash Patrol
EIN 800868817 · Headquarters: Encinitas, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- H20himal2002 Inc
EIN 050584618 · Headquarters: New York, NY, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- H2eco Foundation Inc
EIN 412347450 · Headquarters: Towson, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- H2gp Foundation
EIN 931776163 · Headquarters: HUNTINGTON BEACH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- H2o Media Ltd
EIN 463205286 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- H2o on the Go Inc
EIN 275556861 · Headquarters: Bradenton, FL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- H2O4 Texas Coalition
EIN 273114002 · Headquarters: Austin, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- H2o4all Inc
EIN 811802187 · Headquarters: Fort Myers, FL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- H2oover Environmental Foundation Inc
EIN 262171301 · Headquarters: VILLAGE OF PALMETTO BA, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- H2ope Inc
EIN 863327333 · Headquarters: Decatur, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- H3w Inc
EIN 331283467 · Headquarters: bessemer, AL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- H4X
EIN 874514529 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haag Insight Incorporated
EIN 204296321 · Headquarters: Sandusky, OH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Habana Works Inc
EIN 010887467 · Headquarters: NEW ORLEANS, LA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Habitat Association
EIN 994422463 · Headquarters: Mansfield, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Habitat Conservation Group
EIN 874532091 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Habitat Conservation Group Inc
EIN 873358853 · Headquarters: Mesa, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Habitat Corridor Project
EIN 844353404 · Headquarters: SEBASTOPOL, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Habitat for Healthy Homes
EIN 932738886 · Headquarters: Johns Creek, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Habitat for Hunters
EIN 992693065 · Headquarters: TOOELE, UT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Habitat One
EIN 995041440 · Headquarters: SPEARFISH, SD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Habitat Stewardship Foundation
EIN 770609121 · Headquarters: VICTOR, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Habitatmap Incorporated
EIN 208834317 · Headquarters: BROOKLYN, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Habits of Waste
EIN 463314343 · Headquarters: Los Angeles, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Hackberry Flat Foundation Inc
EIN 731507552 · Headquarters: FREDERICK, OK, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hackensack Riverkeeper Inc
EIN 223530496 · Headquarters: HACKENSACK, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Haddam Land Trust Inc
EIN 066079139 · Headquarters: HADDAM, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Haddonfield Garden Club
EIN 226076459 · Headquarters: Haddonfield, NJ, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Hadzin Foundation
EIN 862165231 · Headquarters: Lake Forest, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haereticus Environmental Laboratory
EIN 030546145 · Headquarters: LYNCHBURG, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hafaadai Farm
EIN 920665119 · Headquarters: Mountain View, HI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Hailey Parks Foundation Inc
EIN 320080669 · Headquarters: HAILEY, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haines Friends of Recycling
EIN 920165523 · Headquarters: HAINES, AK, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Haiti Ocean Conservancy Inc
EIN 352564171 · Headquarters: MIAMI, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haiti Ocean Project Inc
EIN 463634722 · Headquarters: WEST PALM BEACH, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Haiti Tree Project
EIN 461012434 · Headquarters: Raleigh, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hakalau Point Preservation Association
EIN 812712093 · Headquarters: Hakalau, HI, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Halama Street Beach Restoration Inc
EIN 842672864 · Headquarters: HONOLULU, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Halawa Valley Foundation Inc
EIN 270381756 · Headquarters: Encinitas, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Haleakala Conservancy Inc
EIN 834385727 · Headquarters: PUKALANI, HI, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990
- Half Moon Bay Coast Side Foundation
EIN 912025394 · Headquarters: ROSEBURG, OR, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Half Moon Lake Association
EIN 932611203 · Headquarters: Center Barnstead, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Half Moon Lake Conservancy Inc
EIN 200469345 · Headquarters: Balsam Lake, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Half Price Carbon Credits
EIN 263847305 · Headquarters: Tucson, AZ, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Halfmoon Lake Community Association
EIN 934243652 · Headquarters: Pinckney, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Halfwild Organization Inc
EIN 863695996 · Headquarters: Hollywood, FL, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Halifax Area Garden Club
EIN 394118174 · Headquarters: Halifax, PA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Halifax Beach Associates Inc
EIN 263585327 · Headquarters: HALIFAX, MA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Hall County Master Gardeners Corporation
EIN 571149302 · Headquarters: Gainesville, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hall County Soil & Water Conservation Inc
EIN 582422231 · Headquarters: GAINESVILLE, GA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Hall-rialto Preservation Associatio Parsons
EIN 742617002 · Headquarters: BEEVILLE, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hallberg Butterfly Gardens
EIN 911767178 · Headquarters: SEBASTOPOL, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Halls Creek Preservation Fund Inc
EIN 270813572 · Headquarters: WEST HYANNISPORT, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Halls Lake Association
EIN 036016494 · Headquarters: NEWBURY, VT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Halls Lake Conservancy Inc
EIN 393958954 · Headquarters: NEWBURY, VT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Halo Effect
EIN 465585114 · Headquarters: Burbank, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990
- Halprin Landscape Conservancy
EIN 204695171 · Headquarters: Portland, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Halt Hurricanes
EIN 843940814 · Headquarters: CORNVILLE, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ham Lake Lake Association
EIN 364777385 · Headquarters: Ham Lake, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hamakua Group
EIN 873716275 · Headquarters: Kailua, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hamburg Garden Club
EIN 134271703 · Headquarters: Lake View, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hamburg Snowmobile Club Inc
EIN 161115174 · Headquarters: Hamburg, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hamden Homicide Memorial Botanical Garden of Healing
EIN 922510293 · Headquarters: Hamden, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hamilton Community Developement Coalition N Fp
EIN 371433149 · Headquarters: Hamilton, IL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Hamilton Conservation Corps Llc
EIN 812530570 · Headquarters: Hamilton, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hamilton County Urban Conservation Association Inc
EIN 204512497 · Headquarters: FORTVILLE, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hamilton Gardens at Lake Chatuge Inc
EIN 471388717 · Headquarters: HIAWASSEE, GA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Hamilton Park Conservancy Inc
EIN 275238072 · Headquarters: MONTCLAIR, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hamilton Terrace Block Association
EIN 471386972 · Headquarters: New York, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hamilton Township Conservation Club Inc
EIN 352032943 · Headquarters: Seymour, IN, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Hamilton-wenham Green Inc
EIN 270953563 · Headquarters: South Hamilton, MA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Hamilton-wenham Open Land Trust Inc
EIN 223236845 · Headquarters: SOUTH HAMILTON, MA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990
- Hamlet Tree & Beautification Group
EIN 300485129 · Headquarters: HAMLET, NC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hamlin Lake Preservation Society
EIN 383265758 · Headquarters: Ludington, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hammer Creek Watershed Association
EIN 233035390 · Headquarters: LITITZ, PA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Hammers Prairie Park and Nature Center Foundation
EIN 920251488 · Headquarters: CLEARWATER, KS, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Hammock Conservancy Inc
EIN 475055141 · Headquarters: Palm Coast, FL, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Hammond Climate Solutions Foundation
EIN 872361436 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hammond Tree Foundation
EIN 581736409 · Headquarters: HAMMOND, LA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Hampshire Research Institute Inc
EIN 541410590 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Hampstead Garden Club
EIN 020444958 · Headquarters: Hampstead, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hampton Farms Ii Homeowners Association Inc
EIN 465737085 · Headquarters: Greenville, SC, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Hampton Garden Club
EIN 822873887 · Headquarters: Columbia, SC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hampton Land Conservancy
EIN 010636598 · Headquarters: Hampton, VA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Hampton Roads Alliance for Environmental Education
EIN 300469553 · Headquarters: Goodview, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hampton Roads Garden Club
EIN 204089957 · Headquarters: POQUOSON, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hampton Roads Green Building Council
EIN 260460382 · Headquarters: Norfolk, VA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Hampton Roads Homeschool Nature Explorers
EIN 932286468 · Headquarters: Chesapeake, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hampton Woods Karashi
EIN 931261281 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Hamptons Green Alliance Corp
EIN 334215218 · Headquarters: Wainscott, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hanai Kaiaulu
EIN 853784661 · Headquarters: WAIANAE, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hanalei Watershed Hui
EIN 161628674 · Headquarters: HANALEI, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hancock and Sand Ponds Association
EIN 461274687 · Headquarters: Denmark, ME, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Hancock County Herb Society Inc
EIN 912095936 · Headquarters: GREENFIELD, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hancock County Heritage Commission Inc
EIN 821254013 · Headquarters: Hawesville, KY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hancock County Master Gardener Association Inc
EIN 810923303 · Headquarters: Greenfield, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hancock County Naturalists
EIN 931841864 · Headquarters: Findlay, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hancock County Planning Commission
EIN 010310087 · Headquarters: ELLSWORTH, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hancock Environmental
EIN 934307522 · Headquarters: Englewood, FL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N