U.S. Secretary of State John Kerry listens as he receives a briefing from a group of climate change scientists on June 17, 2016, as they cruise aboard the HDMS Thetis in the waters off Ilulissat, Greenland, so he and Danish Foreign Minister Kristian Jensen could view an iceberg field created by the Jacobshavn Glacier Front, receive the science briefing, and meet with Greenlandic Premier Kim Kielsen and Foreign Minister Vittus Qujaukitsoq. [State Department photo/ Public Domain]