Combating climate change was at the forefront of the historic U.S.-Pacific Island Country Summit, which was recently held in Washington. It resulted in an important new declaration signed by leaders of 14 Pacific Island countries and the United States. Steven McGann, former U.S. ambassador to Fiji, Nauru, Kiribati, Tonga and Tuvalu, joins Annelise Riles to talk about the summit, the human security concerns facing these countries and United Nations sustainable development goal number 13: climate action.