My Fresdian (later Rose) is considered eccentric for her deep interest in the natural world but who, in your stories, would you show as caring for the wildlife when nobody else will? Could your overall plot have a well written environmental theme to it?
Can the change in climate benefit any of your characters and, if so, how? And could climate change be forced on your world by the actions of a neighbouring, less environmentally friendly planet? If so, would that automatically lead to war?