Last week the Sabin Center published a report that looks back on climate litigation developments in 2025. This third installment in our year-end series provides a snapshot of how the field of climate litigation has evolved over the course of this year. The report also revisits significant rulings from around […]
Global Climate Litigation
Introduction On October 23, 2025, the Judicial Tribunal of Paris (Tribunal judiciaire de Paris) found in Greenpeace France and Others v. TotalEnergies SE and TotalEnergies Electricité et Gaz France that TotalEnergies and its French subsidiary engaged in misleading environmental advertising. For the first time, a court has held a major […]
When lawsuits first began to raise climate change issues in the late 1980s, the cases were rare and experimental, with litigants testing out ways to draw on the growing body of climate science to argue for legal obligations to address “the serious and imminent threat to our environment posed by […]
A Historic Advisory Opinion On July 3, 2025, the Inter-American Court of Human Rights (IACtHR) issued Advisory Opinion No. 32—the most important and progressive document yet released by an international court on the climate crisis. In this landmark ruling (still only available in Spanish, with official English and Portuguese translations […]
As the Inter-American Court of Human Rights (IACtHR) prepares to release its advisory opinion on climate change on July 3, 2025—joining earlier decisions from the International Tribunal for the Law of the Seas (ITLOS) and the European Court of Human Rights (ECtHR), and in anticipation of the International Court of […]
A plaintiff from the Global South. A carbon giant from the Global North. And a courtroom in a mid-sized German city. On May 28, 2025, the Higher Regional Court of Hamm issued its ruling in what has become Germany’s most high-profile climate lawsuit — Lliuya v. RWE. While the court […]
In a powerful and precedent-setting advisory opinion, the European Free Trade Association (EFTA) Court has declared that European Union law—applicable pursuant to the European Economic Area (EEA) Agreement—prohibits the approval of fossil fuel projects without first assessing the global climate impacts of their emissions, including those generated when oil and […]
Maria Antonia Tigre and Susan Ann Samuel On May 2, 2025, a coalition of non-governmental organizations (NGOs), headed by the Pan African Lawyers Union (PALU), and in collaboration with the African Climate Platform, Resilient40, Natural Justice, and Environmental Lawyer Collective for Africa, submitted a petition to the African Court on […]