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Xinning Zhang is an associate professor in the Department of Geosciences at Princeton University and a member of Princeton’s High Meadows Environmental Institute. As an environmental microbiologist, Zhang's research focuses on the intersection of geochemistry and microbiology within the framework of biogeochemistry. His work aims to elucidate how microbial metabolism influences biogeochemical cycling in both modern and ancient environments. He studies the controls on biological nitrogen fixation, which is nature's method of acquiring new nitrogen nutrients for ecosystems. Additionally, Zhang investigates the role of wetlands in generating methane, a significant greenhouse gas.
GRE scores are not accepted. Ph.D. is the primary degree; students are not required to hold an M.S.E. prior to admission.