Chuck Hagel
In October 2014, speaking at a meeting of defense ministers in Peru, Hagel highlighted a report’s  findings of the global security threats of climate change and global warming; stating “The loss of glaciers will strain water supplies in several areas of our hemisphere,” and “Destruction and devastation from hurricanes can sow the seeds for instability. Droughts and crop failures can leave millions of people without any lifeline, and trigger waves of mass migration.”