Guelph Mercury: The global economic crisis and the global warming crisis are not mutually exclusive phenomena, a world expert on climate change said over the weekend. In fact, they are intimately connected. Barry Smit, geography professor and Canada Research Chair in Global Environmental Change at the University of Guelph, said efforts to address the growing economic downturn needn’t trump efforts to stem global warming. Smit will talk about the impact of global warming on poor countries and …