Horticulture professor Dave Wolfe has been warning the world about climate change and its impacts on agriculture and ecosystems for almost three decades. Communications expert Lauren Chambliss explores ways to talk to people about something they don't want to hear. How do they maintain hope for the future, when the science is so alarming?

The Feb. 27, 2014 talk was part of the Soup & Hope lunchtime series in Sage Chapel.