This report from CNN of the Congressional hearing for the proposed new FEMA Director, Peter Gaynor. See: FEMA nominee says he does not know the causes of climate change. The Diva thinks it it not a hopeful sign when the nominee for that key position is ignorant of the science and causes of many disasters currently and in the future.
By contrast, the Homeland Security Digital Library features a recent study titled Focusing on Pressing Issues and Beyond. It is important to note that 3rd on this list of issues that concern defense and security educators is climate change. At least some key actors are interested.