U.S. Secretary of State John Kerry, during a speech in Jakarta, Indonesia on February 16, devoted a significant amount of attention to the national, global and existential security risks of a changing climate. His full remarks are worth a read (or a listen). Secretary Kerry compared climate change to other transnational security risks, much as we did in our piece for the Bulletin of Atomic Scientists. We have included some excerpts from the speech, below, which touch on the climate-security nexus. (more…)