https://www.commondreams.org/news/2017/11/07/america-last-us-vs-entire-world-after-syria-agrees-join-paris-accord
"At the COP23 United Nations climate summit in Bonn, Germany on Tuesday, war-torn Syria announced that it would sign on to the Paris agreement, leaving the United States—after President Donald withdrew his support earlier this year—as the only nation on planet Earth to oppose the international accord opponent."