HeinzWittenbrink 11 May 2025 in Public https://www.liberation.fr/environnement/climat/une-etude-attribue-la-majorite-des-vagues-de-chaleur-et-secheresses-extremes-aux-10-les-plus-riches-20250507_6MJB3JEG6VDA7KZTB5MYR4LL6Y/ carbon inequality 2025-05-07 attribution increasing risk of extreme weather events Sarah Schöngart école polytechnique fédérale de Zurich Carl-Friedrich Schleussner Institut international d’analyse des systèmes appliqués G20