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Non-profit
Seeding Justice (formerly known as the McKenzie River Gathering Foundation) is a far-left grantmaking foundation based in Portland. The organization funds far-left advocacy groups engaged in a wide range of causes including immigration, climate change, LGBT, racial justice, Native American communities, anti-war activism, and abortion access. Seeding Justice considers the
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Non-profit
Seeding Sovereignty is a far-left advocacy organization based in Los Angeles with activities across North America. It is primarily concerned with indigenous activism from a “decolonializing” perspective. This mainly involves activism against organizations and private actors involved in the farming, extraction, and manufacturing industries. Seeding Sovereignty has supported a petition
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Non-profit
Segal Family Foundation (not to be confused with the Evan and Tracy Segal Family Foundation) is a philanthropic organization that makes grants to development groups in Africa. It boasts that its grantmaking team is “100% African” and that it directs its “progressive” donors to help “transform society.”
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Non-profit
The Semilla Project is an anti-capitalist advocacy organization that trains youth and adult program members to advocate for environmentalist policy at the local and state levels. It employs the identity politics concept of “intersectionality” to argue ethnic minority communities should also economically benefit from environmentalist policies.
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Non-profit
Seneca Lake Guardian is an environmentalist advocacy organization dedicated to protecting the Finger Lakes of New York state. Seneca Lake Guardian is an affiliate of Waterkeeper Alliance, a major environmental network founded in 1999 by Robert F. Kennedy, Jr.
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Non-profit
The Senior Executives Association (SEA) is a lobbying group which represents the interests of high-level federal employees, particularly those in the Senior Executive Service (SES), or the upper management of federal agencies who rank just below presidential appointees. The SEA was founded in 1980 following a major restructuring of the
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Non-profit
Senior Stewards Acting for the Environment (SSAFE) is an environmental activist organization that seeks to prevent global warming. The organization began through a coalition of residents of Kendal Senior Living Communities in New Hampshire and continues focusing on Kendal residents and the larger senior community. SSAFE seeks to reduce carbon
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Non-profit
The Sentencing Project is a criminal justice activism organization. 89 Since its founding in 1986 as a legal assistance and training organization for prisoners with
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Non-profit
Sentient Media is a nonprofit environmentalist online news outlet focused on climate, livestock farming, food, health, and politics. The outlet criticizes the commercial farming industry for alleged animal cruelty and for contributing to climate change. According to tax filings, Sentient Media is supported by outside contributors, including the Craigslist
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Non-profit
The Sequoia Climate Foundation (also known as the Sequoia Climate Fund) is donor to left-leaning climate advocacy groups that was created in 2020 as a spinoff from the Wellspring Philanthropic Fund. In a February 2023 report, Inside Philanthropy declared Sequoia was a “new giant climate change philanthropy” and
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Non-profit
Sequoia Forestkeeper (SFK) is a California-based environmentalist organization focused on the protection and management of Sequoia National Forest and the Giant Sequoia National Monument. Founded in 2001 by environmentalist Martin Litton, the group has consistently promoted strict forest preservation policies, frequently opposing timber management, fire-mitigation projects, and other active interventions
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Non-profit
The Sergey Brin Family Foundation is a private foundation and philanthropic vehicle for Sergey Brin, the co-founder of Google. Brin created the Foundation in 2014 following revelations surrounding an affair between Brin and a Google employee and his subsequent divorce from long-time wife Anne Wojcicki, with whom Brin
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Non-profit
The Servant Foundation is a Christian nonprofit most known for launching the “He Gets Us” campaign, which included Super Bowl advertisements in 2023 and 2024.
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Non-profit
Service Year Alliance is devoted to promoting a “service year” in which young people throughout the nation engage in civic and community service opportunities for a full year. 167 Service Year
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Non-profit
Services and Advocacy For Gay Lesbian Bisexual and Transgender Elders Inc. (SAGE) is a nonprofit advocacy group for LGBT senior citizens.
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Non-profit
Services, Immigrant Rights, and Education Network (SIREN) is an organization focused on immigrant communities in Santa Clara County, California. It offers legal services for immigration matters, including citizenship applications and deportation defense, alongside community organizing efforts on policy issues. The group also conducts education programs and civic engagement activities to
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Non-profit
The Seven Circles Foundation is a nonprofit community group that bases its advocacy on Native American practices. The foundation is a supporter of the Green New Deal.
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Non-profit
Seventh Generation Advisors is a nonprofit environmental advocacy group which advocates for sustainable environmental policy. Opposition to Nuclear Energy Seventh Generation opposes the use of nuclear energy. In April 2020 the nonprofit’s Facebook page posted that nuclear energy was a “dangerous technology” that had poisoned the Earth for decades.
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Non-profit
The Sexuality Information and Education Council of the United States (also known as SIECUS: Sex Ed for Social Change) develops and advocates for the adoption of left-of-center “comprehensive” sexual education curricula and opposes abstinence education and parental oversight of sex ed classes in K-12 schools. Background The Sexuality Information and
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Non-profit
SFOF Action is a nonprofit lobbying organization created in 2024 that opposes Environmental, Social, and Corporate governance (ESG) investing in state finances, especially as it involves state treasurers, comptrollers, and auditors. SFOF Action advocates for policies that promote an efficient, effective, and accountable government.
