The elderly Swiss women behind a landmark ruling. For nearly a decade, they argued that Switzerland’s weak climate policies violated their human rights. Their victory – the first of its kind in the European Court of Human Rights – sets a precedent 46 countries must now follow. Our climate reporter, Georgina Rannard, has been covering the case for years. She shares the women’s personal stories, while climate lawyer Sophie Marjanac explains what it could mean for those seeking climate justice everywhere.

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This episode was made by Laurie Kalus, Alix Pickles and Neal Razzell. The technical producer was Mike Regaard. The assistant editor was Sergi Forcada Freixas and the senior news editor was Sam Bonham.