A comprehensive analysis reveals that climate-related legal actions are increasingly reaching apex courts globally, with 276 cases from 2015 to 2024. The Grantham Research Institute highlights the growing legal implications for governments and companies involved in fossil fuel projects. Key trends include a rise in rights-based litigation and significant rulings in Europe, particularly concerning emissions and corporate accountability. However, the growth rate of climate litigation has slowed, and there is a notable increase in cases opposing climate action, particularly in the US.