The 2026 report of the Lancet Countdown on health and climate change: a decade of escalating health harms and a decisive moment for all Prof Marina Romanello, PhDa Send email to m.romanello@ucl.ac.uk ∙ Maria Walawender, MSPHa ∙ Jennifer Israelsson, PhDa ∙ Muhammad Mahmudul Hasan, PhDa ∙ Fabio Battaglia, PhDb ∙ Aditi Dutta, PhDb ∙ et al

The 2026 report of the Lancet Countdown on health and climate change: a decade of escalating health harms and a decisive moment for all Prof Marina Romanello, PhDa Send email to m.romanello@ucl.ac.uk ∙ Maria Walawender, MSPHa ∙ Jennifer Israelsson, PhDa ∙ Muhammad Mahmudul Hasan, PhDa ∙ Fabio Battaglia, PhDb ∙ Aditi Dutta, PhDb ∙ et al https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(26)01779-4/abstract Comment Governing artificial intelligence for reliable research Julia Priess Buchheit,Aneta Pazik-Aybar,Katharina Miller,Monya Baker,Timothy M Errington,Ana Marušić,Mariëtte van den Hoven,Gustav Nilsonne,Graham Smith,Alexei Grinbaum,Marie Alavi,Alexandra Freeman https://www.thelancet.com/journals/lancet/onlinefirst