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Dr Cybele Dey

Dr Cybele Dey

Conjoint Lecturer

FRANZCP (Child Certificate), FRACP (Paeds), M. Psychiatry, MBBS Hons1, USyd, Certificate of Family Systems Theory and Practice (FSI)

Medicine & Health
School of Clinical Medicine

Dr Cybele Dey is passionate about finding solutions and improving responses to the impacts of climate change on child and adolescent mental health. She is a conjoint lecturer and researcher at the University of New South Wales and part of the Kids Mental Health Research group at Sydney Children's Hospitals' Network.

Dr Dey's research investigates using systems models to understand the mental health impacts of climate change such as from extreme weather, heat, physical illness, flow-on effects such as disruptions to schools and the effects of awareness of climate change. Dr Dey's research focuses on how to protect and improveÌýchild mental health in the face of the impacts of climate change. She is very grateful to learn from and alongside First Nations' knowledge and culture bearers, people with lived experience and with colleagues across different disciplines.

Dr Dey is a Child and Adolescent Psychiatrist who works at The Sydney Children’s Hospital Network, Australia, both locally and via telehealth to rural and remote areas of NSW. Dr Dey is dual qualified as a Paediatrician. She has worked as a doctor in child and adolescent psychiatry for over 20 years, becoming involved in research and advocacy on planetary health and mental health from 2020 onwards.

She is a member of Doctors for the Environment, Australia, and chair of the DEA Mental Health Special Interest Group and chair of the Climate Psychiatry Group of the NSW Royal Australian and New Zealand College of Psychiatrists.Ìý

  • Book Chapters | 2024
    Charlson F; Patrick R; Dey C, 2024, 'Climate change and global mental health', in Climate Change and Global Health: Primary, Secondary and Tertiary Effects, pp. 324 - 341,
  • Journal articles | 2025
    Dey C; Wu J; Uesi J; Sara G; Dudley M; Knight K; Scott JG; Jay O; Bowden M; Perkes IE, 2025, 'Youth suicidality risk relative to ambient temperature and heatwaves across climate zones: A time series analysis of emergency department presentations in New South Wales, Australia', Australian and New Zealand Journal of Psychiatry, 59, pp. 18 - 28,
    Journal articles | 2024
    Barton M; Elhindi J; Dey C; Harris A, 2024, 'Climate change: A clear and present danger to mental health – Response to Amos (2023) ‘Thinking clearly about climate change and mental health’', Australasian Psychiatry, 32, pp. 397 - 398,
    Journal articles | 2023
    Seth A; Maxwell J; Dey C; Le Feuvre C; Patrick R, 2023, 'Understanding and managing psychological distress due to climate change', Australian Journal of General Practice,
    Journal articles | 2023
    Spielman K; Bryant E; Corry S; Marks P; Barakat S; Maguire S; Donker T; Hadinata IE; Allen DW; Seth A; Dey C, 2023, 'Letters', Australian Journal of General Practice, 52, pp. 824 - 826
    Journal articles | 2022
    Crandon TJ; Dey C; Scott JG; Thomas HJ; Ali S; Charlson FJ, 2022, 'The clinical implications of climate change for mental health', Nature Human Behaviour, 6, pp. 1474 - 1481,
    Journal articles | 2022
    Dey C; Dudley M; Knight K; Perkes I, 2022, 'Rising temperatures and suicidal behaviour in children and adolescents', Australian and New Zealand Journal of Psychiatry, 56, pp. 729,
    Journal articles | 2022
    Le Feuvre C; Dey C, 2022, 'Debate: How can child and adolescent mental health professionals show leadership in the face of the ecological and climate crisis?', Child and Adolescent Mental Health, 27, pp. 75 - 76,
    Journal articles | 2003
    Dinesh R; Chaudhuri SG; Ganeshamurthy AN; Dey C, 2003, 'Changes in soil microbial indices and their relationships following deforestation and cultivation in wet tropical forests', APPLIED SOIL ECOLOGY, 24, pp. 17 - 26,
  • Other | 2023
    Spielman K; Bryant E; Corry S; Marks P; Barakat S; Maguire S; Donker T; Hadinata IE; Allen DW; Seth A; Dey C, 2023, Letters
    Conference Abstracts | 2022
    Dey C; Charlson F; Crandon T; Scott J; Thomas H; Langmaid G; Le Feuvre C; Flannery T, 2022, 'CLIMATE CHANGE AND MENTAL HEALTH SYMPOSIUM: RESEARCH, CLINICAL AND PERSONAL (PART ONE)', in AUSTRALIAN AND NEW ZEALAND JOURNAL OF PSYCHIATRY, SAGE PUBLICATIONS LTD, Vol. 56, pp. 75 - 75,
    Conference Papers | 2022
    Dey C; Dudley M; Juckes L; Kozlowska K; Loo K; Rosen A; Seth A, 2022, 'RECOGNISING AND RESPONDING TO CLIMATE CHANGE MENTAL HEALTH IMPACTS', in AUSTRALIAN AND NEW ZEALAND JOURNAL OF PSYCHIATRY, SAGE PUBLICATIONS LTD, pp. 14 - 14,
    Conference Papers | 2022
    Mahmoud D; Dey C; Saleh H; Savage B, 2022, 'IT'S GETTING HOT IN HERE: CLIMATE CHANGE AND CHILD AND ADOLESCENT MENTAL HEALTH', in AUSTRALIAN AND NEW ZEALAND JOURNAL OF PSYCHIATRY, SAGE PUBLICATIONS LTD, pp. 243 - 243,
    Conference Papers | 2005
    Dey C; Dowling D, 2005, 'Dual training: The journey from paediatrics to child psychiatry updated', in AUSTRALIAN AND NEW ZEALAND JOURNAL OF PSYCHIATRY, BLACKWELL PUBLISHING, pp. A112 - A112,

https://www.ranzcp.org/people/cybele-dey

https://www.health.nsw.gov.au/netzero/Pages/mental-health-resources.aspx

https://www.sbs.com.au/news/article/how-heatwaves-can-wreak-havoc-on-your-mental-health/gxdc8zevw

https://www.ama.com.au/ama-rounds/14-february-2025/articles/rising-temperatures-rising-risks-summit-brings-experts

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My Teaching

Dr Cybele Dey is an invited presenter on climate change and mental health for medical student and health professional teaching at ºÚÁÏÍø´óʼÇ, Sydney, The University of Sydney, The University of NotreDame, Sydney Children's Hospitals' Network and with the Royal Australian and New Zealand College of Psychiatrists. She is also involved in health professional and medical student education with Doctors for the Environment, Australia.