See Candidate Page Pete Buttigieg, Climate, Iowa, National Security Buttigieg in Iowa 1/15/20 .@PeteButtigieg vows to confront climate change which he calls the “global security threat of our time,” adding that the U.S. will lead the world to save the climate. #Democrats #IACaucus pic.twitter.com/BJ1lLRJQIR— Andres Del Aguila (@Andres_DAguila) January 15, 2020