Mark Zelinka

Lawrence Livermore National Laboratory
7000 East Avenue, L-103
Livermore, CA 94550
Office: (925) 423-5146


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I study the Earth’s energy budget, specifically the role of clouds in reflecting solar radiation incident on the planet (a cooling effect) and in reducing the infrared radiation emitted by the planet (a heating effect). I am particularly interested in how cloud properties change as the planet warms due to greenhouse gases, and whether clouds act as positive feedbacks that amplify warming, or negative feedbacks that diminish warming. To investigate these processes, I use theory, observations, and global climate models.