Sudbury Star: If things don’t change dramatically, climate change will send countries to war over water and food, and lead to a massive number of refugees roaming the planet. That’s one of the possible futures international affairs columnist Gwynne Dyer forecast on Friday during a stop in Greater Sudbury. “All the evidence suggests the warming is moving considerably faster,” Dyer said. “So, what is 2046 like? There is a global food crisis of enormous proportions. People are starving and …