Greenwashing Litigation Trends Update

This update provides a summary of significant greenwashing litigation developments in the United States during the first part of 2026. It covers actions by federal and state governmental actors, private plaintiffs, and shareholder activists.

This year has seen key judicial rulings — including a Supreme Court certiorari grant in the Boulder climate case — that will shape the trajectory of greenwashing litigation for the remainder of 2026 and beyond. At the state level, a recent Arizona AG’s settlement demonstrated continued willingness to use consumer protection laws to target product-level greenwashing claims, and the California Supreme Court’s acceptance of Environmental Democracy Project v. Rael could expand the reach of organic labeling laws to new product categories. At the same time, the federal regulatory posture has continued to shift toward deregulation, creating a patchwork enforcement environment in which state attorneys general, private plaintiffs, and shareholder activists are driving the bulk of greenwashing accountability.

Click here to read the full update.

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