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Pushing Back Against Anti-ESG and Climate Change Laws

G&A Institute G&A Institute September 1, 2025

Key Highlights

  • Companies and investors are increasingly pushing back against anti-ESG and climate laws, reinforcing sustainability as a financial and risk issue
  • The U.S. ESG landscape is highly fragmented, with competing pro- and anti-ESG regulations across states
  • Legal challenges are emerging, with courts beginning to strike down anti-ESG laws as unconstitutional or restrictive to business practices

The two largest companies that provide advice to institutional investors on how to vote their corporate proxies are fighting back against a Texas law that would limit their ability to advise clients on environmental, social and governance practices. Institutional Shareholder Services (ISS), which advises about 2,000 clients for more than 51,000 shareholder meetings, and Glass Lewis, with than 1,300 clients, both filed suit in July to block Texas Senate Bill 2337 that was scheduled to take effect on September 1.

In our Top Stories for the issue, the law firm Gibson Dunn reports that on August 29, the U.S. District Court for the Western District of Texas entered a preliminary injunction blocking enforcement of the new Texas law until a trial is held, which is set for February 2, 2026.

According to Gibson Dunn, SB 2337 “will impose extensive public and directed disclosure obligations on proxy advisory firms when their recommendations or services are based on non-financial factors, which include environmental, social and governance (ESG) and diversity, equity and inclusion (DEI) considerations, diverge from company management’s recommendations, or provide conflicting advice across clients.”

In their lawsuits, ISS and Glass Lewis argued that SB 2337 is unconstitutional since it would violate the environmental, social and governance and Fourteenth Amendments to the US Constitution by “forcing the proxy advisors to state that recommendations inconsistent with management or incorporating ESG/DEI are not in shareholders’ financial interest.”

Reuters reported in July that the proxy advisors said the new law was an attempt “to force proxy advisers to broadcast Texas’ preferred viewpoints when their own differed, including on hot-button issues that a Republican state legislator perceived as having a ‘hard left bent.’”

The State of Texas, under the leadership of Governor Greg Abbott and Attorney General Ken Paxton, who is running for U.S. Senate, has been at the forefront of Republican efforts to attack ESG and DEI programs at corporations, schools and in government. The state passed a law in 2023 banning DEI offices at public universities and colleges and this year passed a law, which is being challenged by the ACLU, to ban DEI programs in K-12 schools.

In our other Top Stories, Reuters and NPR report that state attorney generals and leading environmental and scientific groups are pushing back against the proposal by the U.S. Environmental Protection Agency to invalidate the 2009 Endangerment Finding — which underlies regulations for controlling greenhouse gas (GHG) emissions. Reuters reported that Arizona Attorney General Chris Mayes said, “the EPA is proposing to bury its head in the sand and ignore the mounting costs of climate change for all Americans.”

NPR reports that in August, the Environmental Defense Fund and the Union of Concerned Scientists filed a lawsuit against the U.S. Department of Energy and the EPA alleging that the government’s report used to support its proposed repeal of the Endangerment Finding was unlawful since it was created in secret.

Public comments regarding the proposed EPA repeal of the Endangerment Finding can be submitted through September 15, with instructions available here.

The G&A team will be closely following the legal battles in Texas and in Washington and are available to answer questions about the impact on your ESG and sustainability programs. For more information contact us at:info@ga-institute.com.

For more information, view the full newsletter here.


For even more curated content, our team provides the latest articles to help keep you and your company informed on the ever-changing field of ESG and sustainability. View our news feed here.

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Founded in 2006, Governance & Accountability Institute (G&A) is a New York–based sustainability consulting and research firm advising corporate leaders and investors at the intersection of strategy, governance, and regulation. For nearly two decades, we have partnered with executive teams and boards to translate sustainability strategy into durable enterprise value — helping organizations navigate shifting market expectations, evolving policy landscapes, and increasing capital markets scrutiny. Set up a call to learn more about how we can help your company.