Peter has published extensively in the popular and scientific press, given numerous talks to a broad range of audiences and has photographed on every continent including Antarctica. He has served as Research Director at the rare Charitable Research Reserve and coordinator of the Cootes to Escarpment EcoPark System, a conservation project whose goals are to protect and steward the natural lands at the western end of Lake Ontario. He currently serves on the board of Nature Guelph and Ontario Nature; where he is Great Lakes West Regional Director.
Peter spent 20 years at the University of Guelph conducting ecological research and conservation work on the Niagara Escarpment. He has co-authored three books related to cliff ecology including: "The Last Stand: a Journey through the Ancient Cliff-face Forest of the Niagara Escarpment" (Dundurn Press), where Peter uses his photographs and illustrations to tell the story of this unique forest.