The Largest 100 Environmental Nonprofits Saving The World

Ever wonder what the largest nonprofits by revenue are that are focused on helping the environment? Here is a detailed list of the largest nonprofits by revenue, their website link, and a short description. Data sourced from CauseIQ.com, the leading source for nonprofit information. 

1. Grid Alternatives Affiliates & Subsidiaries

Founded: 2013 Revenues: $32,765,734

Website: gridalternatives.org

Location: CA Total Employees: 314

Description: Grid Alternatives Affiliates & Subsidiaries mission is to provide energy cost savings to low-income homeowners through installation of solar electric systems and training in energy efficiency, while providing hands-on solar installation opportunities to…

2. Thermal Energy Corporation

Founded: 2002 Revenues: $85,826,113

Website: tecothermalenergy.com

Location: TX Total Employees: 121

Description: Houston-based Thermal Energy Corporation (TECO) has provided reliable, cost-effective and energy-efficient cooling and heating to institutions in the Texas Medical Center.

3. Rockefeller Family Fund

Founded: 1968 Revenues: $35813481

Website: rffund.org

Location: NY Total Employees: 12

Description: Rockefeller Family Fund is a U.S.-based, family-led public charity that initiates, cultivates, and funds strategic efforts to promote a sustainable, just, free, and participatory society. 

4. Colorado Open Lands

Founded: 1981 Revenues: $23604006

Website: coloradoopenlands.org

Location: CO Total 

Employees: 30

Description: Colorado Open Lands’ mission is to preserve the significant open lands and diminishing natural heritage of Colorado through private and public partnerships, innovative land conservation, and strategic leadership. Colorado Open Lands’ mission is to prese…

5. National Parks Conservation Association

Founded: 1919 Revenues: $40067349

Website: npca.org

Location: DC

Total Employees: 194

Description: Protecting america’s National Parks for present and future generations.

6. World Wildlife Fund

Founded: 1960 Revenues: $286350088

Website: worldwildlife.org

Location: DC

Total Employees: 677

Description: WWF’s mission is to stop the degradation of the planet’s natural environment and to build a future in which humans live in harmony with nature.

7. Windward Fund

Founded: 2015 Revenues: $44404708

Website: windwardfund.org

Location: DC Total Employees: 30

Description: The Windward Fund was founded in response to donors who expressed a desire to be more connected to their peers’ work, and to partner with experts in conservation nonprofit management to execute bold initiatives.

8. National Geographic Society

Founded: 1888 Revenues: $70469785

Website: nationalgeographic.org

Location: DC

Total Employees: 481

Description: The National Geographic Society is a scientific and educational organization that pushes the boundaries of exploration to further our understanding of our planet and empower us all to generate solutions for a more sustainable future.

9. Ocean Conservancy

Founded: 1972 Revenues: $33767304

Website: oceanconservancy.org

Location: DC Total Employees: 131

Description: Ocean Conservancy makes careful use of your support, and holds high ratings from charity watchdogs. Ocean Conservancy seeks the best and brightest to help us achieve our goal of a healthy, thriving ocean.

10. Maricopa Association of Governments

Founded: 1967 Revenues: $31872184

Website: azmag.gov Location: AZ

Total Employees: 125

Description: The Maricopa Association of Governments (MAG) is a Council of Governments (COG) that serves as the regional planning agency for the metropolitan Phoenix area. MAG is the regional air quality planning agency and Metropolitan Planning Organization (MPO) f..

11. Maine Coast Heritage Trust

Founded: 1970 Revenues: $29333003

Website: mcht.org

Location: ME

Total Employees: 84

Description: Maine Coast Heritage Trust  conserves and stewards Maine’s coastal lands and islands for their renowned scenic beauty, ecological value, outdoor recreational opportunities, and contribution to community well-being.

12. International Fund for Animal Welfare

Founded: 1998 Revenues: $31281740

Website: ifaw.org

Location: MA

Total Employees: 178

Description: IFAW works to improve the welfare of wild and domestic animals throughout the world by reducing commercial exploitation of animals, protecting wildlife habitats, and assisting animals in distress. 

13. Sierra Foothill Conservancy

Founded: 1996 Revenues: $26358069

Website: sierrafoothill.org

Location: CA

Total Employees: 16

Description: The Sierra Foothill Conservancy honors our natural and cultural heritage by protecting these resources and ensuring that present and future generations will continue to experience and enjoy the land in this region.

14. Southern Environmental Law Center

Founded: 1985 Revenues: $39889386

Website: southernenvironment.org

Location: VA

Total Employees: 206

Description: The Southern Environmental Law Center (SELC) uses the power of the law to protect the environment and health of the Southeast.

15. American Farmland Trust

Founded: 1980 Revenues: $31104144

Website: farmland.org

Location: DC

Total Employees: 120

Description: To save the land that sustains us by protecting farmland, promoting sound farming practices, and keeping farmers on the land.

16. Conservation International

Founded: 1987 Revenues: $159498081

Website: conservation.org

Location: VA

Total Employees: 424

Description: People need nature, and for 30+ years, Conservation International has worked to protect it. Through cutting-edge science, innovative policy and global reach, we empower people to protect the nature that we rely on for food, fresh water and livelihoods.

17. Land Trust of Arkansas

Founded: 2008 Revenues: $23051402

Website:

Location: AR

Total Employees: 0

Description: To hold and oversee properties and easements for conservation purposes.  The principle program service for the year was holding and overseeing several properties held for conservation. The conservation of these properties benefits millions of people currently and into the future.

18. Alliance for a Green Revolution in Africa

Founded: 2007 Revenues: $95918592

Website: agra.org

Location: VA

Total Employees: 202

Description: The Alliance for a Green Revolution in Africa (AGRA) is a dynamic partnership working across the African continent to help millions of small-scale farmers and their families lift themselves out of poverty and hunger.

19. Twin Towers

Founded: 1934 Revenues: $28927551

Website: lec.org

Location: OH

Total Employees: 0

20. Alliance To End Plastic Waste

Founded: 2018 Revenues: $66565593

Website: endplasticwaste.org

Location: DE

Total Employees: 0

21. Rare

Founded: 1974 Revenues: $22917080

Website: rare.org

Location: VA

Total Employees: 113

Description: Rare inspires change so that both people and nature thrive. In the face of a global extinction crisis, climate change, dwindling fish stocks, and disappearing forests, Rare is changing behaviors at the local level by teaching community leaders how to re…

22. Center for Sustainable Energy

Founded: 2000 Revenues: $305300571

Website: energycenter.org

Location: CA

Total Employees: 241

Description: Accelerating the transition to a Sustainable world powered by clean Energy. Accelerating the transition to a Sustainable world powered by clean Energy. One simple mission-DECARBONIZE.

23. Forest Park Forever

Founded: 1986 Revenues: $20296213

Website: forestparkforever.org

Location: MO

Total Employees: 86

Description: To restore, maintain and sustain Forest Park as one of america’s great urban public parks, for the enjoyment of all – now and Forever. To restore, maintain and sustain Forest Park, in partnership with the city of st. louis, as one of america’s greatest ur…

24. Alliance for Sustainable Energy

Founded: 2008 Revenues: $546317217

Website: allianceforsustainableenergy.org

Location: CO

Total Employees: 2866

Description: Battelle and MRIGlobal formed Alliance for Sustainability, LLC for the purpose of winning the National Renewable Energy Laboratory’s (NREL’s) management and operating (M&O) contract.

25. Walker Basin Conservancy

Founded: 2014 Revenues: $60727623

Website: walkerbasin.org

Location: NV

Total Employees: 81

Description: The mission of Walker Basin Conservancy is to preserve Walker lake by protecting and conserving watershed resources throughout the Walker river Basin. The mission of Walker Basin Conservancy is to preserve Walker Lake by protecting and conserving watershe…

26. The Energy Foundation

Founded: 1991

Revenues: $125609558

Website: ef.org

Location: CA

Total Employees: 80

Description: The Energy Foundation’s mission is to promote The transition to a sustainable Energy future by advancing Energy efficiency and renewable Energy. Promoting transition to a sustainable future by advancing Energy efficiency and renewability. The Energy Fou…

27. Western Reserve Land Conservancy

Founded: 1987 Revenues: $20327883

Website: wrlandconservancy.org

Location: OH

Total Employees: 64

Description: To provide the people of our region with essential natural assets through land conservation and restoration. Thriving, prosperous communities nourished by vibrant natural lands, working farms and healthy cities.

28. Rainforest Trust

Founded: 1989 Revenues: $23882634

Website: rainforesttrust.org

Location: VA

Total Employees: 50

Description: Rainforest Trust protects threatened tropical forests and endangered wildlife by partnering with local and community organizations in and around the areas that are being threatened.

29. Georgia System Operations Corporation

Founded: 1997 Revenues: $81836312

Website: gasoc.com

Location: GA

Total Employees: 273

Description: Georgia System Operations Corporation (gsoc) provides 24-hour electric System operation services, on a not for profit basis, to energy market participants in Georgia and the southeastern united states.

30. Dollar Energy Fund

Founded: 1983 Revenues: $21092613

Website: dollarenergy.org

Location: PA

Total Employees: 170

Description: Dollar Energy Fund’s mission is to improve the quality of life for households experiencing hardships by providing utility assistance and other services that lead to self-sufficiency.

31. Alaska Clean Seas

Founded: 1990 Revenues: $31830226

Website: alaskacleanseas.org

Location: AK

Total Employees: 101

Description: Alaska Clean Seas strives to be recognized as a world leader in arctic land and marine oil spill response.

32. District Energy St Paul

Founded: 1979 Revenues: $38618552

Website: districtenergy.com

Location: MN

Total Employees: 93

Description: District Energy St. Paul operates the largest, most successful, hot water district heating system in North America and is a national leader in renewable energy. District Energy provides heating and cooling to downtown Saint Paul.

33. Medical Center Company

Founded: 1932 Revenues: $36354189

Website: mcco.org

Location: OH

Total Employees: 26

Description: The Medical Center Company (MCCo) is dedicated to providing reliable, low-cost energy to the key institutions within University Circle.

34. ReliabilityFirst

Founded: 2005 Revenues: $25706919

Website: rfirst.org

Location: OH

Total Employees: 94

Description: ReliabilityFirst (RF) is one of the eight Federal Energy Regulatory Commission (Commission)-approved Regional Entities responsible for ensuring the reliability of the North American Bulk-Power System, pursuant to the Energy Policy Act of 2005.

35. Old Dominion Land Conservancy

Founded: 1998 Revenues: $29557079

Website: odlc.us

Location: VA

Total Employees: 2

Description: ODLC protects land and water resources for their natural, scenic, recreational, historic, and agricultural values and seeks to educate the public on why land conservancy is so very important and so easily overlooked.

36. Greenpeace

Founded: 1987 Revenues: $36732324

Website: greenpeace.org

Location: DC

Total Employees: 1291

Description: Greenpeace is an independent campaigning organization that uses peaceful,creative confrontation to expose global environmental problems, and to force solutions that are essential to a green and peaceful future. To promote the protection and preservation…

37. Elevate Energy

Founded: 2001 Revenues: $31215942

Website: elevatenp.org

Location: IL

Total Employees: 150

Description: Elevate Energy is an organization that helps people do more with less energy. We design and implement efficiency programs that lower costs, protect the environment, and ensure the benefits of energy efficiency reach those who need them most.

38. National Park Foundation

Founded: 1967 Revenues: $70913760

Website: nationalparks.org

Location: DC

Total Employees: 99

Description: The mission of the National Park Foundation is to strengthen the connection between the American people and their national parks by raising private funds, making strategic grants, creating innovative partnerships and increasing public awareness.

39. American Conservation Experience

Founded: 2004 Revenues: $21291175

Website: usaconservation.org

Location: AZ

Total Employees: 1621

Description: American Conservation Experience (ACE) is a non-profit organization dedicated to providing rewarding environmental service opportunities that harness the idealism and energy of a volunteer labor force to help restore America’s public lands.

40. Puerto Rico Conservation Trust

Founded: 1970 Revenues: $31864455

Website:

Location: PR

Total Employees: 0

Description: The CTPR is an organization whose mission is to secure functional and healthy ecosystems in the islands of Puerto Rico, and to instill in their inhabitants a sense of responsibility toward the conservation of our natural resources. 

41. The Trustees of Reservations

Founded: 1891 Revenues: $44778213

Website: thetrustees.org

Location: MA

Total Employees: 924

Description: The Trustees of Reservations is a non-profit land conservation and historic preservation organization dedicated to preserving natural and historical places in the Commonwealth of Massachusetts.

42. U S Green Building Council

Founded: 1993 Revenues: $31512308

Website: usgbc.org

Location: DC

Total Employees: 185

Description: To transform the way buildings and communities are designed, built and operated, enabling an environmentally and socially responsible, healthy, and prosperous environment that improves the quality of life.

43. Urban Land Conservancy

Founded: 2002 Revenues: $24796539

Website: urbanlandc.org

Location: CO

Total Employees: 35

Description: Urban Land Conservancy’s mission is to acquire, develop, and/or preserve community assets in urban areas for a variety of community needs. It participates in the real estate marketplace on behalf of the community to respond to opportunities that would o…

44. Rainforest Alliance

Founded: 1987 Revenues: $46704876

Website: rainforest-alliance.org

Location: NY

Total Employees: 126

“Description: The Rainforest Alliance works to conserve biodiversity and ensure sustainable livelihoods by transforming land-use practices, business practices and consumer behavior.

45. The Nature Conservancy

Founded: 1951 Revenues: $1137390674

Website: nature.org

Location: VA

Total Employees: 4091

Description: The mission of The Nature Conservancy is to conserve the lands and waters on which all life depends. The mission of The Nature Conservancy is to conserve The lands and waters on which all life depends. Tnc’s mission is to conserve The lands and waters o…

46. Southern Rivers Energy Attn Charles Lowery

Founded: 1938 Revenues: $43665221

Website: southernriversenergy.com

Location: GA

Total Employees: 60

Description: Southern Rivers Energy (SRE) is a private, independent electric distribution cooperative owned by the nearly 15,000 members receiving electric service across nine counties in Central Georgia.

47. Iowa Natural Heritage Foundation

Founded: 1979 Revenues: $24108338

Website: inhf.org

Location: IA

Total Employees: 52

Description: Iowa Natural Heritage Foundation protects and restores Iowa’s land, water and wildlife for future generations. Our priorities include permanent land protection, improved land management and bringing new conservation ideas and opportunities to Iowa.

48. The Corporation for Ohio Appalachian Development

Founded: 1971 Revenues: $20000133

Website: coadinc.org

Location: OH

Total Employees: 85

Description: The Corporation for Ohio Appalachian Development (COAD) is a private, non-profit community-based organization serving rural, mostly Appalachian, counties in eastern and southern Ohio.

49. National Arbor Foundation

Founded: 1971 Revenues: $83851981

Website: arborday.org

Location: NE

Total Employees: 516

Description: The National Arbor Day Foundation is a nonprofit, environmental and education organization of nearly 1 million members, with a mission to inspire people to plant, nurture, and celebrate trees.

50. National Outdoor Leadership School

Founded: 1965 Revenues: $39933201

Website: nols.edu

Location: WY

Total Employees: 1138

Description: National Outdoor Leadership School is a non-profit wilderness school with an educational focus on skills and leadership. The goal of a NOLS course is to give you the skills and leadership to take others into the backcountry comfortably and responsibly.

51. Shell Foundation

Founded: 2004 Revenues: $35540785

Website: shellfoundation.org

Total Employees: 0

Description: Shell Foundation ts an independent chanity that applies a business approach to global development challenges which constrain access energy and sustainable urban and rural mobility.

52. The National Trust

Founded: 1954 Revenues: $743659000

Website: nationaltrust.org.uk

Location:

Total Employees: 7043

Description: The National Trust is a conservation charity that protects over 350 historic houses, 160 gardens, 1,100km of coastline, 254,000 hectares of land of outstanding natural beauty, 6 World Heritage Sites, 28 castles and 60 pubs.

53. Pacific Environmental Coalition

Founded: 2019 Revenues: $22893183

Website:

Location: CA

Total Employees: 0

Description: The mission of the organization is to bring about social change and advances in Environmental public policy. The organization will promote social and public policy changes that aim to protect wildlife, landscapes and natural resources; empower communiti…

54. Marine Preservation Association

Founded: Revenues: $98090419

Website: mpaz.org

Location: AZ

Total Employees: 3

Description: The Marine Preservation Association (MPA) was established in 1990 as the leading organization supporting the development and maintenance of a broadly funded, effective spill response capability in the United States.

55. Marine Spill Response Corporation

Founded: 1990 Revenues: $93235947

Website: msrc.org

Location: VA

Total Employees: 564

Description: The Marine Spill Response Corporation (MSRC) is an independent, not-for-profit, U.S. Coast Guard Classified Oil Spill Removal Organization (OSRO). MSRC is the largest, dedicated oil spill and emergency response organization in the United States.

56. Clean Future Forum

Founded: 2019 Revenues: $23307262

Website:

Location: DC

Total Employees: 0

Description: To research, develop, and educate the public and policymakers about the impacts of clean energy and societal responses to those challenges.

57. Ecology Action of Santa Cruz

Founded: 1979 Revenues: $21414648

Website: ecoact.org

Location: CA

Total Employees: 162

Description: Ecology Action is passionately driven to empower individuals, businesses, and communities to take actions today that achieve environmental and economic sustainability.

58. Ceres

Founded: 1990 Revenues: $20910907

Website: ceres.org

Location: MA

Total Employees: 153

Description: Ceres is a sustainability nonprofit organization working with the most influential investors and companies to build leadership and drive solutions throughout the economy.

59. Hope for Haiti

Founded: 1999 Revenues: $22059219

Website: hopeforhaiti.com

Location: FL

Total Employees: 15

Description: Hope for Haiti’s mission statement is to work to improve the quality of life for the Haitian people, particularly children, through education, nutrition and healthcare.

60. Rocky Mountain Institute

Founded: 1982 Revenues: $61864266

Website: rmi.org

Location: CO

Total Employees: 261

Description: We envison a world thriving, verdant, and secure, for all, for ever. To that end, our mission is to drive the efficient and restorative use of resources. Our mission is to drive the efficient and restorative use of resources. We envision a world thriving…

61. Memorial Park Conservancy

Founded: 2000 Revenues: $20982898

Website: memorialparkconservancy.org

Location: TX

Total Employees: 59

Description: Memorial Park Conservancy (MPC) is dedicated to the preservation and enhancement of Memorial Park for today and for future generations; to public use, enjoyment and education in accordance with conditions of the conveyance to the City of Houston by the …

62. Sierra Club

Founded: 1892 Revenues: $156717329

Website: sierraclub.org

Location: CA

Total Employees: 1033

Description: Founded by legendary conservationist John Muir in 1892, the Sierra Club is now the nation’s largest and most influential grassroots environmental organization, with more than two million members and supporters.

63. George Washington’s Mount Vernon

Founded: 1853 Revenues: $66250790

Website: mountvernon.org

Location: VA

Total Employees: 752

Description: To preserve, restore, and manage The estate of George Washington to The highest standards and to educate visitors and people thoughout The world about his life and legacies, so that his example of character and leadership will continue to inform and ins…

64. Massachusetts Audubon Society

Founded: 1896 Revenues: $38308793

Website: massaudubon.org

Location: MA

Total Employees: 1285

Description: To protect the nature of Massachusetts for people and for wildlife through education, land conservation, advocacy, and habitat stewardship. Land & habitat conservation and environmental education. To protect the nature of Massachusetts for people and fo…

65. Wilderness Society

Founded: 1937 Revenues: $39480932

Website: wilderness.org

Location: DC

Total Employees: 175

Description: To protect wilderness and inspire Americans to care for our wild places. We contribute to better protection, stewardship and restoration of our public lands, preserving our rich natural legacy for current and future generations.

66. Peninsula Open Space Trust

Founded: 1977 Revenues: $31121942

Website: openspacetrust.org

Location: CA

Total Employees: 59

Description: Peninsula Open Space Trust (post) protects Open Space on the Peninsula and in the south bay for the benefit of all. Post is creating a network of protected lands where people and nature connect and thrive these lands are preserved forever so present and…

67. Calstart

Founded: 1992 Revenues: $59004549

Website: calstart.org

Location: CA

Total Employees: 45

Description: CALSTART works with business, fleets, and government to develop and implement clean, efficient transportation solutions. They believe that economic and environmental improvement must go hand-in-hand.

68. Appalachian Mountain Club

Founded: 1876 Revenues: $35424938

Website: outdoors.org

Location: MA

Total Employees: 760

Description: Founded in 1876, the Appalachian Mountain Club promotes the protection, enjoyment, and understanding of the mountains, forests, waters, and trails of America’s Northeast and Mid-Atlantic regions.

69. Western Pennsylvania Conservancy

Founded: 1932 Revenues: $24653253

Website: waterlandlife.org

Location: PA

Total Employees: 277

Description: The Western Pennsylvania Conservancy protects and restores exceptional places to provide our region with clean waters and healthy forests, wildlife and natural areas for the benefit of present and future generations. 

70. Mattress Recycling Council

Founded: 2014 Revenues: $49328918

Website: mattressrecyclingcouncil.org

Location: VA

Total Employees: 0

Description: To work to establish an environmentally sound and cost-effective program for recycling mattresses, subject to state laws requiring recycling of used mattresses; and educate consumers, retailers, waste haulers, and others about collection opportunities for…

71. National Forest Foundation

Founded: 1993 Revenues: $24634190

Website: nationalforests.org

Location: MT

Total Employees: 66

Description: The National Forest Foundation (NFF) provides financial support to our partner organizations and raises funds to effectively double or triple the total contribution to numerous local conservation initiatives.

72. Resources Legacy Fund

Founded: 1998 Revenues: $46839654

Website: resourceslegacyfund.org

Location: CA

Total Employees: 116

Description: Resources Legacy Fund helps donors ensure the protection and stewardship of resilient and vibrant natural systems that support healthy communities and economic vitality. To help donors engage in strategic conservation endeavors that have lasting value. To…

73. Energy Federation

Founded: 1982 Revenues: $23838913

Website: efi.org

Location: MA

Total Employees: 188

Description: We believe it is essential to encourage environmentally benign and sustainable use of the planet’s Energy and water resources. Through the distribution of resource-conserving products, delivery of services to utilities and Energy efficiency program provid…

74. Planet Aid

Founded: 1997 Revenues: $40334612

Website: planetaid.org

Location: MA

Total Employees: 452

Description: Planet Aid is a 501(c)3 nonprofit organization that collects and recycles used textiles to protect the environment and support sustainable development in impoverished communities around the world.

75. Golden Gate National Parks Conservancy

Founded: 1981 Revenues: $67544820

Website: parksconservancy.org

Location: CA

Total Employees: 548

Description: Golden Gate National Parks Conservancy (the “Conservancy”) is a not-for-profit cooperating association of the National park service and the presidio trust whose mission is to preserve the Golden Gate National Parks (the “Parks”), enhance the park visito…

76. Conservation Legacy

Founded: 1998 Revenues: $28043844

Website: conservationlegacy.org

Location: CO

Total Employees: 2043

Description: Southwest Conservation Corps (SCC) operates conservation service programs across Southern Colorado and Northern New Mexico that empower individuals to positively impact their lives, their communities and the environment.

77. Retiree Resources Corporation

Founded: 2001 Revenues: $45089170

Website: mybvi.org

Location: TN

Total Employees: 592

Description: Provide aid and support to the Tennessee Valley authority – its power and energy mission and related activities.

78. Energy Trust of Oregon

Founded: 2002 Revenues: $187288640

Website: energytrust.org

Location: OR

Total Employees: 130

Description: Energy Trust of Oregon is an independent nonprofit organization based in Portland, Oregon that helps utility customers in Oregon benefit from efficient energy use and generating renewable energy.

79. Environmental Defense Fund

Founded: 1967 Revenues: $185639721

Website: edf.org

Location: NY

Total Employees: 860

Description: Environmental Defense Fund’s mission is to preserve the natural systems on which all life depends. Guided by science and economics, we find practical and lasting solutions to the most serious environmental problems. To preserve the natural systems on wh…

80. Catskill Watershed Corporation

Founded: 1996 Revenues: $33034681

Website: cwconline.org

Location: NY

Total Employees: 27

Description: Protecting water quality and preserving communities in the Catskill-Delaware New York City Watershed.

81. International Institute for Environment and Development

Founded: 1987 Revenues: $27181517

Website: iied.org

Location:

Total Employees: 0

Description: International Institute for Environment and Development: Conducts policy research on climate change, natural resources, sustainable markets and human settlements.

82. Sixteen Thirty Fund

Founded: 2009 Revenues: $138371684

Website: sixteenthirtyfund.org

Location: DC

Total Employees: 0

Description: Sixteen Thirty Fund operates exclusively for the purpose of promoting social welfare, including, but not limited to, providing public education on and conducting advocacy regarding progressive policies. Promotes social welfare through public education a…

83. Land Legacy

Founded: 2003 Revenues: $21969510

Website: landlegacy.com

Location: OK

Total Employees: 0

Description: To enhance the quality of life in urban and rural communities by working constructively with landowners to protect natural and cultural resources and to create outdoor recreation, education and economic opportunities. To enhance the quality of life in u…

84. Social and Environmental Entrepreneurs

Founded: 1994 Revenues: $21261930

Website: saveourplanet.org

Location: CA

Total Employees: 277

Description: To serve as a nonprofit administrative structure for grassroots Environmental and Social justice projects. Environmental and Social justice projects.

85. Green Building Certification Institute

Founded: 2007 Revenues: $43784688

Website: gbci.org

Location: DC

Total Employees: 125

Description: The Green Business Certification Inc (GBCI) is the premier organization independently recognizing excellence in green business industry performance and practice globally.

86. Slipstream Group

Founded: 1980 Revenues: $48356747

Website: slipstreaminc.org

Location: WI

Total Employees: 190

Description: Wecc champions and delivers innovative energy initiatives that produce enduring economic and environmental benefits for all.

87. Sierra Club Foundation

Founded: 1960 Revenues: $120488815

Website: sierraclubfoundation.org

Location: CA

Total Employees: 19

Description: To help educate, inspire and empower humanity to preserve the natural and human environment by:i. providing resources to the Sierra Club and, in appropriate circumstances, other nonprofit organizations, for charitable programs that protect and restore t…

88. Save the Redwoods League

Founded: 1918 Revenues: $41553584

Website: savetheredwoods.org

Location: CA

Total Employees: 64

Description: Since 1918, Save the Redwoods League has worked to protect and restore redwood forests and connect people to their peace and beauty.

89. Natural Resources Defense Council

Founded: 1970 Revenues: $197585835

Website: nrdc.org

Location: NY

Total Employees: 868

Description: The Natural Resources Defense Council, Inc. (NRDC) is an international environmental organization dedicated to protecting the world’s natural resources and ensuring a safe and healthy environment for all people. We work to restore the integrity of the e…

90. Open Space Institute

Founded: 1980 Revenues: $30427919

Website: openspaceinstitute.org

Location: NY

Total Employees: 0

Description: Open Space Institute protects scenic, natural, and historic landscapes through land acquisition, conservation easements, regional loan programs, fiscal sponsorship, creative partnerships, and analytical research.

91. Chesapeake Bay Foundation

Founded: 1966 Revenues: $37635927

Website: cbf.org

Location: MD

Total Employees: 298

92. The Conservation Fund

Founded: 1985 Revenues: $221481591

Website: conservationfund.org

Location: VA

Total Employees: 220

Description: The Conservation Fund is the nation’s top environmental nonprofit dedicated to protecting America’s most important landscapes and waterways for future generations.

93. World Resources Institute

Founded: 1982 Revenues: $159318068

Website: wri.org

Location: DC

Total Employees: 622

Description: World Resources Institute (WRI) is a global research organization that turns big ideas into action at the nexus of environment, economic opportunity and human well-being.

94. National Older Worker Career Center

Founded: 1997 Revenues: $39317741

Website: newsolutions.org

Location: VA

Total Employees: 33

Description: National Older Worker Career Center provides government agencies experienced workers using cost-effective, flexible, innovative and contemporary staffing options.

95. Student Conservation Association

Founded: 1964 Revenues: $37357144

Website: thesca.org

Location: VA

Total Employees: 2605

Description: SCA’s mission is to build the next generation of conservation leaders and inspire lifelong stewardship of our environment and communities by engaging young people in hands-on service to the land.

96. National Audubon Society

Founded: 1905 Revenues: $157358989

Website: audubon.org

Location: NY

Total Employees: 1161

Description: The National Audubon Society protects birds and the places they need, today and tomorrow, throughout the Americas using science, advocacy, education, and on-the-ground conservation.

97. Vermont Energy Investment Corporation

Founded: 1986 Revenues: $99018110

Website: veic.org

Location: VT

Total Employees: 302

Description: The Vermont Energy Investment Corporation’s mission is reducing the economic and environmental costs of energy consumption through cost-effective energy efficiency and renewable technologies.

98. The Trust for Public Land

Founded: 1972 Revenues: $141296610

Website: tpl.org

Location: CA

Total Employees: 367

Description: The Trust for Public Land and affiliates (The Trust) are charitable, not-for-profit corporations which were created to serve The Public’s need for open space preservation in metropolitan, rural and natural areas. The Trust’s principal objective is to fa…

99. Foundation for California Community Colleges

Founded: 1998 Revenues: $68905758

Website: foundationccc.org

Location: CA

Total Employees: 3939

Description: The Foundation for California Community Colleges is a unique nonprofit organization that benefits, supports, and enhances California’s Community Colleges — the largest higher education system in the nation.

100. Environment America

Founded: 2006 Revenues: $22858363

Website: environmentamerica.org

Location: CO

Total Employees: 106

Description: Environment America is a federation of state-based environmental advocacy organizations in the United States. The organization researches and advocates for environmental policies through lobbying, litigation, and the mobilization of public support.