Peter William Geoffrey Newman AO (born 1945) is an environmental scientist, author and educator based in Perth, Western Australia. He is currently Professor of Sustainability at Curtin University. He is best known for his contributions to the development of Perth’s electrified metropolitan rail network through both activist and official consulting roles since the 1980s. He has a PhD degree in Chemistry (1972, University of Western Australia) and completed post doctoral studies in Environmental Science, Delft University, Dip EST, Environmental Science, 1972.