The Environmental Integrity Project (EIP) is a left-of-center watchdog organization that advocates tougher enforcement of environmental laws. The EIP has opposed the use of zero carbon nuclear energy. It is composed of former U.S Environmental Protection Agency (EPA) enforcement attorneys, analysts, public interest lawyers, and investigators. The EIP assists

Earthworks is an environmentalist nonprofit organization based in Washington, D.C. that advocates for strict environmental regulations, particularly on the fuel and mining industries. Earthworks has opposed the use of zero carbon nuclear energy.

The Advancement Project (AP) was established in 1999 by a group of civil rights lawyers as a 501(c)(3) tax-exempt, nonprofit organization. While its stated objective is to address race and civil rights issues through the legal system and community activism, AP is in fact a key left-wing agitation group that

The Proteus Fund is a center-left “pass-through” funder and donor-advised fund provider. Since the Fund’s creation in 1995, Proteus has routed hundreds of millions of dollars from major grantmaking foundations and anonymous donors on the Left to activist groups targeting issues including legalizing same-sex marriage, reducing religious freedom to dissent

The National Immigration Forum (NIF) was established in 1982 to advocate for immigrants in the United States. The organization advocates for granting legal status to most illegal immigrants already in the United States and staunchly opposes border enforcement policies. The organization also promotes naturalization and learning English. Background Rick Swartz,

Dustin Aaron Moskovitz is an American Internet entrepreneur who co-founded Facebook with Mark Zuckerberg, Eduardo Saverin, Andrew McCollum and Chris Hughes. In 2008, he left Facebook to co-found Asana with Justin Rosenstein. Moskovitz and his wife, former Wall Street Journal reporter Cari Tuna, are the founders

The Pew Charitable Trusts is a public charity formed in 2003 from the merger of seven foundations created by the Pew family, which made its money in the oil business.  It operates the Pew Research Center as a subsidiary. Originally founded as the family foundation of conservative- and Republican-leaning

The New Venture Fund (NVF) is a 501(c)(3) funding and fiscal sponsorship nonprofit that makes grants to left-of-center advocacy and organizing projects and provides incubation serves for other left-of-center organizations. The fund focuses primarily on social and environmental change, issuing grants for a variety of projects that include conservation, global

NEO Philanthropy (formerly Public Interest Projects) is a New York-based nonprofit that serves as a fiscal clearinghouse for left-of-center causes. The group serves as a vehicle for center-left foundations to pool resources, hosts donor-advised funds, and sponsors various liberal projects.

For the 501(c)(4), see UnidosUS Action Fund (nonprofit) UnidosUs, formerly known as the National Council of La Raza (NCLR) or “La Raza,” is one of the most influential Hispanic organizations in the United States. Meaning “The Race,” La Raza was founded in 1968 as a 501(c)(3) tax exempt organization.

MoveOn Civic Action, also known by the name of its website MoveOn.org, describes itself as “the largest independent, progressive, digitally-connected organizing group in the United States.”1 MoveOn operates as a centralized forum for petitions written by

Gara LaMarche is the former president of the Democracy Alliance, a network of left-of-center donors for coordinated giving founded in 2005.

Citizens for Responsibility and Ethics in Washington (CREW) is a legal advocacy group with previous connections with political strategist David Brock. The organization describes itself as a “nonpartisan” watchdog group directing litigation against government corruption in an effort to advance the public interest. The group is part of Brock’s

Also see the 501(c)(4) Center for Community Change Action Fund (nonprofit) The Center for Community Change (CCC) is a left-of-center nonprofit that focuses on issues of poverty, race, housing policy, and the treatment of released prisoners.  It also promotes the interests of immigrants, including illegal immigrants. Its affiliated 501(c)(4),

The BlueGreen Alliance (BGA) (and its associated 501(c)(3) arm the BlueGreen Alliance Foundation) is a project of America’s national labor unions and major environmentalist groups designed to show a united front for progressive environmentalist policies. The Alliance was founded in 2006 by the United Steelworkers labor union and

The American Federation of Teachers (AFT) is the second-largest teachers’ union in the United States. The union represents roughly 1.5 million members, most of whom work in teaching and education-related jobs as well as nursing.

For more information, see Tides Nexus The Tides Center is a left-of-center nonprofit created to manage the fiscal sponsorship services of its “sister” organization, the Tides Foundation. Both groups are part of the Tides Nexus of pass-through and fiscal sponsorship nonprofits based in San Francisco, California.

The Sixteen Thirty Fund (sometimes styled “1630 Fund”) is a left-of-center lobbying and advocacy organization founded in 2008. 1 Sixteen Thirty Fund often operates alongside its charitable “sister” nonprofit New Venture Fund, which

The Service Employees International Union (SEIU) is one of America’s largest, most controversial, and most politically involved labor unions. The SEIU, which represents building services employees, nurses, other healthcare workers, and public employees, is noted for its close ties to the broader left-of-center movement, perhaps most notably the controversial now-defunct

Also see Natural Resources Defense Council Action Fund (nonprofit) Natural Resources Defense Council (NRDC) is one of the nation’s largest environmentalist groups. The group has more than $180 million in assets to fund its programs and has been accused of “using baseless scare campaigns to drum up press and