Does climate litigation make a difference? In Part 4 of the Climate Change on Trial video series, Professor César Rodríguez-Garavito examines what rights-based climate cases accomplish inside and outside the courtroom. He proposes assessing four kinds of impact: direct changes to policy, changes in how a case frames climate harm, wider effects on movements and institutions, and shifts in public understanding.
Some decisions have prompted identifiable policy responses. After Germany’s Constitutional Court ruled on a challenge brought by young people in 2021, the government strengthened its 2030 emissions reduction target from 55% to 65% and approved additional funding for climate measures. In Brazil, the Climate Fund resumed operations following a Supreme Court ruling, alongside a change in administration. These examples also show why impact requires careful assessment: a court order, a government response, and lasting implementation are different things.
The video looks beyond policy changes. Climate cases have brought the experiences of young people, older women vulnerable to heat, and Indigenous communities into legal and public debate. Hearings can make climate science accessible to wider audiences, while litigation can help advocates build coalitions and share strategies across borders. Success can also provoke resistance, and a favorable ruling does not guarantee compliance.
The video concludes that litigation is most useful as part of a broader strategy for climate action. It identifies continuing gaps in cases addressing adaptation, compensation for climate harms, and corporate accountability, and asks how rights-based approaches might respond to those challenges.