The conservative legal activist, who has had a hand in shaping the pro-corporate tilt of the U.S. Supreme Court, has built one of the nation's most influential judicial advocacy networks through organizations including The Concord Fund and the 85 Fund. Leo's network has become an increasingly [important force](https://www.propublica.org/article/climate-change-alec-leonard-leo-lawsuits-fossil-fuel-oil-gas-immunity) behind climate denial and opposition to climate regulation, funding organizations that challenge EPA authority, pressuring corporations to [abandon](https://www.desmog.com/2026/07/14/leonard-leos-anti-climate-network-makes-a-european-debut/) environmental investing, and supporting litigation designed to block climate accountability. Nine organizations filing Suncor amicus briefs received funding through Leo's network.
Backer FileClimate-denial networks
IdentifierLeo
§ 1 · The money it reaches
Leonard Leo appears behind 9 of the 22 groups profiled in this guide. Open any file to trace the tie:
