KB‐D is a full‐time employee of the American Medical Association, working as the Editor‐in‐Chief of JAMA and the JAMA Network. AH is principal investigator of the Pathfinder Initiative 2020–2025, co‐investigator of Sustain‐able Healthy Food Systems research programme 2017–2023,and co‐investigator of Complex Urban Systems for Sustain‐ability and Health 2017–2023, all funded by the Wellcome Trust, with additional funding from the Oak Foundation for the Pathfinder Initiative, and he reports royalties from Cam‐bridge University Press for the coauthored book Planetary Health; consultancy fees paid to his institution from the Well‐come Trust for his role as Senior Advisor on Climate Change and Health in 2021; travel/meeting support from WHO and Human Frontiers Science Program; and he is a member of the Cool Roofs trial steering committee Nouna Research Centre, Burkina Faso/University of Heidelberg, is Co‐chair of the International Advisory Committee, NIHR Clean‐Air (Africa)Global Health Research Unit, is a member of the Independent Advisory Group, Collaboration for the Establishment of an African Population Cohort Consortium, and he was Co‐chair of the InterAcademy Partnership, Climate Change and Health Working Group 2019–2022 and Co‐chair of the Academy of Medical Sciences/Royal Society working group on “A healthy future—tackling climate change mitigation and human health together” 2020–2021 (all unpaid). IH reports honoraria for several speaking engagements, all donated to Back from the Brink, the International Physicians for the Prevention of Nuclear War, or Physicians for Social Responsibility; travel/meeting support for Nobel Peace Laureates'Summit, the World Federation of Public Health Associations World Congress, and the UN Human Rights Commission Youth Summit; and he is a member of the steering committee of Back from the Brink and the International Steering Group of the International Campaign to Abolish Nuclear Weapons, a Board member of the International Physicians for the Prevention of Nuclear War and Physicians for Social Responsibility,and a Trustee of the Phillips Exeter Academy (all unpaid). MGMOR reports research grants from the Dutch Research Council, NOW (grant number COMPL.21COV.001) and from the Netherlands Organisation for Health Research ZonMw (grant number 09120012010063) and he is Chair of the Dutch guideline committee on cognitive impairments and dementia. TR reports a contract with the Institute for Energy and Environmental Research (USA) for papers addressing the health and environmental consequences of nuclear testing in multiple locations, including Australia, French Polynesia, central Pacific, and China; honorarium from The Choisun Ilbo media group in South Korea for a lecture on nuclear weapons in 2022 and for nuclear weapons presentations from Hyogo Medical Practitioners Association (Japan), Peace Boat (Japan),and the University of Sydney; he was an expert witness on radiation and health for Environmental Justice Australia acting for Mine‐Free Glenaladale regarding proposed Fingerboards Mineral Sands Mine to the Victorian Government Fingerboards Inquiry and Advisory Committee; he is a member of RV3 Rotavirus Vaccine Development Scientific Advisory Board, Murdoch Children's Research Institute/RoyalChildren's Hospital; he is a member of the Committee of Inter‐national Campaign to Abolish Nuclear Weapons Australia;he is a member of the Internet Peace Prize Award Committee (Sunfull Foundation, South Korea); he was a member of the Victorian International Humanitarian Law Advisory Committee, Australian Red Cross; he is a Board member of the Initiative for Peace building, Faculty of Arts, University of Melbourne; he is an At‐large Board member of the International Physicians for the Prevention of Nuclear War; he was Co‐president of the International Physicians for the Prevention of Nuclear War 2012–23; and he is Honorary Principal Fellow, Melbourne School of Population and Global Health, University of Melbourne. PY reports grants from Atea Pharmaceuticals; honoraria for lectures, presentations, and educational events from bioMérieux and Pfizer Pharmaceuticals; fees for participation on an advisory board from Pfizer Pharmaceuticals; and he is a member of the Antimicrobial Stewardship Study Group Executive Committee (2022–2024)and the Clinical Practice Guideline Panel on Vaccinations in Immunocompromised hosts for the European Society of Clinical Microbiology and Infectious Diseases. CZ reports consulting fees for his role as senior adviser on the international journals project from the International Physicians for the Prevention of Nuclear War. All the other authors declare no competing interest. [Correction added on 29 May 2025, after first online publication: The co‐publication statement, COI statements and Funding Information have been added to this version.]