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    • Saravanan Thangarajan

    Saravanan Thangarajan-Image

    Dr Saravanan Thangarajan is a global health researcher and climate–maternal health advocate. He is a visiting scientist at the Harvard T H Chan School of Public Health and serves on the UK Wellcome Trust’s expert committee on climate and health. In 2024–25, Saravanan’s field research in Tamil Nadu revealed how heatwaves and floods affect mothers, infants, and caregivers—findings now shaping policy and community action for climate justice.


    Areas of expertise

    Climate–health Systems and resilience, maternal mental health and caregiver well-being, digital health, AI, and data innovation health policy


    Currently working at

    Harvard T.H. Chan School of Public Health and Ariadne Labs, Visiting Scientist & Faculty; Wellcome Trust (UK), Expert Advisory Committee Member (Climate and Health); Lakshmi Mittal and Family South Asia Institute, Harvard University, Associate


    Articles by Saravanan Thangarajan

    a woman in a red blouse with her back to the camera carrying a child--maternal well-being
    Health & Well-being
    October 23, 2025
    In Tamil Nadu, climate extremes are reshaping maternal well-being
    Rising temperatures and pollution in Tamil Nadu are pushing maternal mental health to the brink. Targeted state action that supports the well-being of mothers and their children is essential.
    by Saravanan Thangarajan | 5 min read
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