Philip Stier

Philip Stier

Philip Stier is Professor of Atmospheric Physics and Director of the Intelligent Earth Centre for Doctoral Training in AI for the Environment at the University of Oxford. He also heads the Climate Processes Group and serves on the steering group of the Oxford Climate Research Network.

Philip’s research addresses physical climate processes in the context of anthropogenic perturbations to the earth system as the underlying cause of climate change and air pollution. His key interests lie in aerosol and cloud physics, their interactions and their role in the climate system. Aerosols are small liquid or solid particles suspended in air of both anthropogenic and natural origin. Cloud droplets form on aerosol particles, so man-made changes in aerosol (precursor) emissions also affect the physics of clouds.

Philip is passionate about the power of interdisciplinary approaches to address complex questions around the causes and impacts of climate change. Through the Climate Processes Group, Phillip combines work on global climate models, earth observations and detailed process models with machine learning and theory to improve our understanding of the climate system.

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  • Organization
    University of Oxford
  • Profession
    Professor of Atmospheric Physics
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