A biologist and professor in the Department of Fundamental Sciences at UQAC, for 30 years he has divided his career between higher education, consulting, research and fieldwork in environmental sciences. Author of several books including " Vivre les changements climatiques, Réagir pour l’avenir " with François Richard (Éditions MultiMondes, 2007), he has receivednumerous awards for the quality of his work. He was director of the European Institute for Environmental Consulting in Strasbourg (France) (1993-94) and editor-in-chief of the review ECODÉCISION (1994-97). He acted as commissioner or as expert in several public consultations. He currently teaches in the Department of Fundamental Sciences at UQAC where he is also responsible for the Diplôme d’Études Supérieures Spécialisées (DÉSS) in eco-consulting. He has chaired the Advisory Committee of the Desjardins Environment Fund since its creation and sits on the scientific committees of CO2Solution, on the scientific committee of the OURANOS Consortium and onthe scientific committee of the Center for the conservation of boreal biodiversity. He is also a member of the Auditor General of Quebec's advisory committee on the environment and sustainable development. He is a member of the scientific committee of the commission on the future of Quebec agriculture and agri-food. A renowned speaker, he won the 2005 Canadian Environmental Awards silver medal in the climate change division.