Red states urge lawmakers to probe group chaired by chief justice

By Lesley Clark | 02/04/2026 06:24 AM EST

State attorneys general said the climate section of a manual produced by the research arm of the federal court system is “tainted by biased authors.”

Nebraska Attorney General Mike Hilgers speaks with members of the media outside the Supreme Court on Capitol Hill.

Nebraska Attorney General Mike Hilgers (R) is leading a push to discredit the education and research arm of the federal judiciary over a chapter of a reference manual that focuses on climate change. Patrick Semansky/AP

Republican state attorneys general have asked House and Senate lawmakers to investigate — and potentially defund — the education and research arm of the federal court system chaired by Supreme Court Chief Justice John Roberts.

In a letter sent Monday to the Republican chairs of the House and Senate Judiciary committees, 22 state attorneys general urged lawmakers to add the Federal Judicial Center to an ongoing inquiry of legal education efforts. The states’ push is part of a broader campaign to quash climate lawsuits that have the potential to put the fossil fuel industry on the hook for billions of dollars.

Last week, 27 Republican attorneys general sent a letter to the Federal Judicial Center, asking it to strike the climate science section of a new reference manual for judges.

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The chapter was written by authors “connected to university climate studies programs that promote legal warfare against states and energy producers to push their left leaning political agendas,” the state attorneys general wrote.

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