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
- The Greenwich Land Trust Inc
EIN 060950851 · Headquarters: GREENWICH, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Greenwich Tree Conservancy Inc
EIN 208181832 · Headquarters: GREENWICH, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Grove Tree Man Trust C/o Nancy J Cliff Esq
EIN 650611127 · Headquarters: MIAMI, FL, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- The Guardians of Martin County Inc
EIN 270302991 · Headquarters: HOBE SOUND, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Gulch Environmental Foundation
EIN 843607893 · Headquarters: PENNGROVE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Gulf Beach Garden Club Inc
EIN 591997183 · Headquarters: PANAMA CITY BEACH, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Habitat Connection
EIN 844383477 · Headquarters: Franklin, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Habitat Management Foundation
EIN 943323726 · Headquarters: Rocklin, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Habitheque Blue and Green Fund
EIN 830624538 · Headquarters: PIPERSVILLE, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Hamilton Parks Conservancy
EIN 472630181 · Headquarters: HAMILTON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Hammond Garden Club
EIN 721199619 · Headquarters: Hammond, LA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Harbingers Quartet Inc
EIN 943415680 · Headquarters: Tulsa, OK, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- The Hardy Plant Society Mid Atlantic Group
EIN 232708408 · Headquarters: NORRISTOWN, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Hardy Plant Society of Oregon
EIN 930884453 · Headquarters: PORTLAND, OR, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- The Harmony Project
EIN 570947639 · Headquarters: Charleston, SC, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- The Harris Land Perserve Inc
EIN 474953793 · Headquarters: Lake Luzerne, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Hartsville Heritage Foundation
EIN 570735135 · Headquarters: HARTSVILLE, SC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Harvest Collective
EIN 800547273 · Headquarters: Silver Spring, MD, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- The Havasi Wilderness Foundation
EIN 263882092 · Headquarters: AGOURA HILLS, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Headwaters Conservancy Inc
EIN 912105745 · Headquarters: ST LOUIS, MO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Heal Project
EIN 270192940 · Headquarters: HALF MOON BAY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Healthy Earth Organization Inc
EIN 854369761 · Headquarters: ESTERO, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- The Hedrick Project
EIN 883410898 · Headquarters: Kannapolis, NC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- The Helen Caldicott Foundation
EIN 274554611 · Headquarters: Asheville, NC, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- The Henry Sears Foundation Inc C/o Anthony Judge & Ware Llc
EIN 521933579 · Headquarters: CHESTERTOWN, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Herb Society of America Inc
EIN 341596261 · Headquarters: KIRTLAND, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Heritage Gardens Foundation Inc
EIN 541677256 · Headquarters: HOPEWELL, VA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- The Heritage Trail Association Inc
EIN 223321302 · Headquarters: Bridgewater, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The High Mountain Masters
EIN 208883003 · Headquarters: ASPEN, CO, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- The Highfields Institute Ltd
EIN 030365756 · Headquarters: HARDWICK, VT, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990
- The Highland Lakes Master Gardener Association
EIN 742950076 · Headquarters: Burnet, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Hill Country Garden Club
EIN 611986861 · Headquarters: Austin, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Hillside Trust
EIN 310986399 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Hofmann Dam River Rats
EIN 364460071 · Headquarters: Lyons, IL, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- The Holden Arboretum
EIN 340750346 · Headquarters: KIRTLAND, OH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- The Hollows Community Garden
EIN 871714060 · Headquarters: RALEIGH, NC, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- The Holly Springs Garden Club Inc
EIN 640560080 · Headquarters: HOLLY SPRINGS, MS, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Holy Order of Water Inc
EIN 222483948 · Headquarters: Edgartown, MA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- The Horticultural Society of Middle Tennessee
EIN 620680351 · Headquarters: NASHVILLE, TN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Horticultural Society of New York
EIN 130854930 · Headquarters: NEW YORK, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Hourglass Foundation
EIN 232928408 · Headquarters: LANCASTER, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The House of Green Inc
EIN 830504810 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Houston Audubon Society
EIN 237011870 · Headquarters: Houston, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Houston Orchid Society Inc
EIN 742066842 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Houston Parks Board Foundation
EIN 274576670 · Headquarters: Houston, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Howard County Conservancy Inc
EIN 521712913 · Headquarters: WOODSTOCK, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Howfirma Trust
EIN 026102175 · Headquarters: South Hampton, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Hudson Carbon Research Foundation In
EIN 854324015 · Headquarters: HUDSON, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Hudson Valley Trust Inc
EIN 141479500 · Headquarters: PATTERSON, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Human Factororg Inc
EIN 881478799 · Headquarters: ENGLEWOOD, FL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- The Human Nature Center
EIN 830812352 · Headquarters: Santa Barbara, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Hummingbird Trail Alliance
EIN 813199565 · Headquarters: HUNTERSVILLE, NC, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- The Ichetucknee Partnership Inc
EIN 300328034 · Headquarters: Lake City, FL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- The Idaho Association of Plant Pathology
EIN 820471793 · Headquarters: Rupert, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Idaho Society for Energy and Environmental Education
EIN 840424210 · Headquarters: Boise, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Idaho State Horticultural Society Inc
EIN 820384176 · Headquarters: CALDWELL, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Idea Store and Creative Reuse Center
EIN 825475035 · Headquarters: Urbana, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Ike Foundation a New Jersey Non-profit Corporation
EIN 454847924 · Headquarters: PITTSGROVE, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Incredible Edible Community Garden
EIN 270798007 · Headquarters: PASADENA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Indian Castle Church Restoration and Preservation
EIN 161491120 · Headquarters: Little Falls, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Indiana Flower Growers Association
EIN 351563992 · Headquarters: WEST LAFAYETTE, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- The Institute Earthquest
EIN 262454184 · Headquarters: New Caney, TX, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990
- The Institute for Community Business & the New Hampshire Economy
EIN 043391250 · Headquarters: CONCORD, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Institute for Safer Chemical Alternatives Incorporated
EIN 823826860 · Headquarters: Ripton, VT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Institute for Watershed Science Inc
EIN 205399906 · Headquarters: KAMAS, UT, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- The Institute of IDEAS
EIN 813639354 · Headquarters: Reno, NV, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The International Council on Clean Transportation Inc
EIN 203076690 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The International Maritime & Energy Center of Houston
EIN 270505879 · Headquarters: DEER PARK, TX, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- The International Supreme Master Ching Hai Meditation Association
EIN 943230041 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Intertwine Alliance Foundation
EIN 452629474 · Headquarters: PORTLAND, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Irene and Carroll Rheinstrom Fund
EIN 137114025 · Headquarters: PITTSBURGH, PA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Islamorada Fishing Club Trust F or Education and Conservation Inc
EIN 412557537 · Headquarters: ISLAMORADA, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Isles Community Foundation C/o Fsr Residential
EIN 465524367 · Headquarters: NAPLES, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Izaak Walton League of America
EIN 361930035 · Headquarters: GAITHERSBURG, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Jack and Laura Dangermond Conservati on Foundation
EIN 822788431 · Headquarters: REDLANDS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Jack M Matthews Corporation C/o Lynn Hazelwood
EIN 850576755 · Headquarters: GALAX, VA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Jack M Matthews Foundation
EIN 200189021 · Headquarters: GALAX, VA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- The James and Priscilla Walters Foundation
EIN 203773030 · Headquarters: CLAREMONT, CA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-PF
- The James M Cox Jr Arboretum Foundation
EIN 310711248 · Headquarters: DAYTON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The James River Basin Partnership
EIN 311613753 · Headquarters: Springfield, MO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Japanese Garden Foundation of Oregon
EIN 931315647 · Headquarters: PORTLAND, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Jefferson Energy Foundation
EIN 521492176 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- The Jenckes Foundation Inc
EIN 030363194 · Headquarters: BRATTLEBORO, VT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Jewish Climate Trust Inc
EIN 991658287 · Headquarters: PALM BEACH, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Jmt Wilderness Conservancy
EIN 853608502 · Headquarters: TRUCKEE, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- The Joe Brooks Foundation for Conservation and Outdoor Education
EIN 473804862 · Headquarters: TOWSON, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The John James Westbrook Jr Society of Natural History
EIN 541478682 · Headquarters: Danville, VA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- The John Ripley Forbes Big Trees Forest Preserve Inc
EIN 582358002 · Headquarters: Atlanta, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Johnsie Fiock Fildes Nature Foundation Ltd
EIN 364542463 · Headquarters: Olney, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Johnson-wilson Cemetery Stewards Association Inc
EIN 300036978 · Headquarters: Florence, KY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Jonah Center for Earth and Art
EIN 050610255 · Headquarters: PORTLAND, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Joseph Banks Society
EIN 943285067 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- The Julius and Bertha Orth Foundation
EIN 450427503 · Headquarters: ROSEMOUNT, MN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Kansas City Rose Society
EIN 237356074 · Headquarters: Kansas City, MO, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- The Katherine Bakeless Wildflower & Nature Preserve Inc
EIN 066383058 · Headquarters: TAVARES, FL, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- The Kennebec Land Trust
EIN 010440729 · Headquarters: WINTHROP, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Kensington Conservancy
EIN 364403946 · Headquarters: Desbarats, Ontario, Canada · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Kenton Conservancy
EIN 311799911 · Headquarters: COVINGTON, KY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- The Keyport Garden Club Inc
EIN 453340781 · Headquarters: Keyport, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Kh Foundation Inc
EIN 394659834 · Headquarters: Atlanta, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N