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
- Norwalk Harbor Keeper
EIN 822305143 · Headquarters: NORWALK, CT, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- Norwalk Land Trust Inc
EIN 237309817 · Headquarters: NORWALK, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Norwalk River Watershed Association Inc
EIN 061483326 · Headquarters: Wilton, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Norwalk Tree Alliance Inc
EIN 651170687 · Headquarters: NORWALK, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Norwalk Unides
EIN 991072619 · Headquarters: Norwalk, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Norway Lake Association of Cass County
EIN 412013058 · Headquarters: Pine River, MN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Norway-paris Fish & Game Assoc
EIN 237371431 · Headquarters: Norway, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Norwell Improvement to the Communitys Ecology Incorporated
EIN 872646223 · Headquarters: Norwell, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nose Knows Conservation Foundation
EIN 874219353 · Headquarters: Tucson, AZ, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Nosterra Ventures
EIN 923837171 · Headquarters: MENLO PARK, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Not in Wilderness Coalition
EIN 333908349 · Headquarters: Challis, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Not So Much Foundation
EIN 261542836 · Headquarters: San Juan Capistrano, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Nothing Mountain
EIN 852953298 · Headquarters: East Stroudsburg, PA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Nour Aqua
EIN 392496383 · Headquarters: PHILADELPHIA, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nourish International USA
EIN 861801401 · Headquarters: ROCKY FORD, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nova Outside
EIN 851060443 · Headquarters: Alexandria, VA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nova Scotia Nature Trust
EIN 980450094 · Headquarters: Dartmouth, Nova Scotia, CA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nova Town
EIN 770594087 · Headquarters: Las Vegas, NV, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Novato Garden Club Inc
EIN 946092925 · Headquarters: NOVATO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Novelect
EIN 333476097 · Headquarters: Phoenix, AZ, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Novigo Foundation
EIN 472699260 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Now We Act Inc
EIN 853775403 · Headquarters: WESTFORD, MA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Nowa Mutual Water Company
EIN 333939766 · Headquarters: Madera, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nrdc
EIN 132654926 · Headquarters: New York, NY, United States · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- NREL Foundation
EIN 863498248 · Headquarters: Golden, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ns Foundation Inc
EIN 394413136 · Headquarters: Limbe, CM · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ntc Research Foundation
EIN 262767838 · Headquarters: MINNEAPOLIS, MN, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990
- Ntd Public Tv Seattle
EIN 770676739 · Headquarters: BELLEVUE, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ntx School Garden Network
EIN 872923869 · Headquarters: dallas, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nu Krew LLC
EIN 851046046 · Headquarters: Litchfield, CT, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Nuclear Alternative Project
EIN 475353289 · Headquarters: SUGAR LAND, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nuclear Free World Foundation
EIN 881274097 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nuclear Hotseat
EIN 884260790 · Headquarters: Tujunga, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nuclear Information and Resource Service
EIN 521119677 · Headquarters: Takoma Park, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nuclear Watch South Inc
EIN 581388962 · Headquarters: Atlanta, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nuearth Foundation
EIN 270169319 · Headquarters: COLUMBIA, SC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nueces Master Gardeners Inc
EIN 261456654 · Headquarters: Robstown, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nuestra Senora Del Rosario San Fernando Y Santiago Merced Inc
EIN 331995547 · Headquarters: TRUCHAS, NM, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nuisance Group
EIN 474133944 · Headquarters: GULF SHORES, AL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Nuluum Foundation for Growth
EIN 920840151 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nunamaisha
EIN 832605847 · Headquarters: Gaithersburg, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Nunamta Aulukestai Caretakers of Our Lands
EIN 261203644 · Headquarters: Dillingham, AK, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990
- Nunataks Ltd D/b/a Greenburgh Nature Center
EIN 237454025 · Headquarters: SCARSDALE, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Nuoc Solutions
EIN 922802906 · Headquarters: San Mateo, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nupresentation Foundation
EIN 460924870 · Headquarters: San Ysidro, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nurture Native Nature Inc
EIN 932920975 · Headquarters: Atlanta, GA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nurture Natives
EIN 931767907 · Headquarters: La Plata, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nurture Nature Foundation
EIN 133637915 · Headquarters: NEW YORK, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Nurture Our Wilderness
EIN 333872395 · Headquarters: Loveland, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nurturing Justice Inc
EIN 862222205 · Headquarters: New York, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Nusolar Group
EIN 271824157 · Headquarters: Evanston, IL, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Nutley Community Preservation Partnership Inc
EIN 203264382 · Headquarters: Nutley, NJ, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Nutmeg Land Trust Inc
EIN 061594523 · Headquarters: Torrington, CT, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Nutmeg State Orchid Society
EIN 830511469 · Headquarters: Farmington, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nutrient Networks Inc
EIN 822173973 · Headquarters: WEST WAREHAM, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nutrient Stewardship Council
EIN 471496411 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Nutrient Stewardship of Nothern Illinois
EIN 822001664 · Headquarters: Walnut, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nuvola Studio Inc
EIN 800516144 · Headquarters: Somerville, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nvma Inc
EIN 474924704 · Headquarters: Carlisle, PA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Nvn-nes-a Land Trust
EIN 934077913 · Headquarters: Eugene, OR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nw Center for Sustainability and Innovation
EIN 263166683 · Headquarters: Bow, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nw Honey Bee Habitat Restoration
EIN 474218688 · Headquarters: LYNNWOOD, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nw Ind & Lower Sw Mich Region Ofe Alliance for Young
EIN 208189582 · Headquarters: South Bend, IN, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Nwccog Foundation Inc
EIN 841347451 · Headquarters: SILVERTHORNE, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- NWD Projects Inc
EIN 473651723 · Headquarters: South Miami, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nwla Foundation
EIN 824529249 · Headquarters: BERTHOLD, ND, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ny Nanum Foundation Inc
EIN 412107220 · Headquarters: NORTHVALE, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Nyack Pollinator Pathway Inc
EIN 871238516 · Headquarters: Nyack, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nyasoso Cultural & Econimical Devel Opment Association
EIN 611514065 · Headquarters: Farmington, MO, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Nyati Conservation Corps
EIN 270486495 · Headquarters: Bullard, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nyc Clean Air Campaign Inc
EIN 132756329 · Headquarters: NEW YORK, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Nyc Climate Action Alliance Inc
EIN 823913449 · Headquarters: NEW YORK, NY, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Nyc Dept of Sanitation Retirees & Associates of West Florida Inc
EIN 581900885 · Headquarters: SPRING HILL, FL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Nyc Root Zone Inc
EIN 770670326 · Headquarters: New York, NY, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Nypenn Chapter of Certified Hazardous Materials Managers
EIN 161557276 · Headquarters: Ithaca, NY, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Nys Environmental Conservation Police Pba Inc
EIN 141748972 · Headquarters: HAMMONDSPORT, NY, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Nysha Inc
EIN 862199680 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- O Beautiful Gaia Inc
EIN 651252016 · Headquarters: Lititz, PA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- O Fallon Garden Club
EIN 884149443 · Headquarters: Ofallon, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- O Lab Inc
EIN 415048683 · Headquarters: Takoma Park, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- O Sail
EIN 320154500 · Headquarters: littleton, NC, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- O'kane Family Foundation
EIN 832632761 · Headquarters: GREAT FALLS, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- O2 Utah Foundation
EIN 854307598 · Headquarters: SOUTH SALT LAKE, UT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oahu Agriculture and Conservation Association
EIN 831975797 · Headquarters: Kunia, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oahu Resource Conservation and Development Council
EIN 943279682 · Headquarters: Kunia, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oahu Waterkeeper
EIN 823117183 · Headquarters: Honolulu, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oak Canyon Habitat Conservancy
EIN 461317957 · Headquarters: Vacaville, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Cliff Earth Day Network Inc
EIN 020801861 · Headquarters: Dallas, TX, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Oak Creek Environmental Awareness N Etwork Inc
EIN 395159006 · Headquarters: Sedona, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Creek Irrigation Company
EIN 870405488 · Headquarters: Oak City, UT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Creek Land Trust Inc
EIN 311639726 · Headquarters: Oak Creek, WI, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Oak Creek Watershed Council
EIN 270084050 · Headquarters: Sedona, AZ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oak Forest Outlaws
EIN 203725656 · Headquarters: Oak Forest, IL, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Oak Forest Travelers
EIN 363986424 · Headquarters: OAK FOREST, IL, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Oak Granary
EIN 852590341 · Headquarters: Potter Valley, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oak Grove Docent Council
EIN 680230676 · Headquarters: Stockton, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Grove Improvement Association Inc
EIN 042812760 · Headquarters: MALDEN, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Harbor Chamber Foundation Inc
EIN 454223751 · Headquarters: OAK HARBOR, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Harbor Garry Oak Society
EIN 811488711 · Headquarters: Oak Harbor, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Heritage Conservancy Inc
EIN 270042193 · Headquarters: HANOVER, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990