In 2007, the CNA Military Advisory Board (MAB) released the landmark report “National Security and the Threat of  Climate Change,” which found that climate change constitutes a “threat multiplier” to existing security risks in some of the most volatile regions in the world. A 2008 National Intelligence Assessment con?rmed the report ?nding that climate change is a serious threat to national security and long-term global stability. The MAB, which is comprised of some of the nation’s most respected retired admirals and generals, also found that “Climate change, national security, and energy dependence are a related set of global challenges.” The following is a report produced by CNA expanding on previous findings.