Global trends in climate change litigation: 2026 snapshot

This report from the Grantham Research Institute on Climate Change and the Sabin Center for Climate Change Law can help you to better understand the landscape of climate change litigation, including current and future impacts, trends, and themes. The report provides a synthesis of the latest research and developments, including a numerical analysis of how many climate change litigation cases were filed in 2025, where and by whom, and a qualitative assessment of the types of cases filed. The report explores developments through five themes: the continued maturation of the field; ongoing expansion and innovation across new locations, actors, and legal theories; the scale and coordination of the pushback now underway against climate action and climate litigation; the growing complexity in the field of climate litigation; and the current state of knowledge about the implementation and impacts of climate litigation in the real world.This resource will be of particular benefit to sustainability, risk management, and legal professionals.