FILE – In this Dec. 15, 2013 file photo, American actor Leonardo DiCaprio poses for a portrait, in New York. The United Nations has named Leonardo DiCaprio a UN Messenger of Peace with a special focus on climate change. UN Secretary-General Ban Ki-moon made the announcement Tuesday, Sept. 16, 2014, calling DiCaprio “a credible voice in the environmental movement.” He also invited the actor to the upcoming UN Climate Summit planned for September 23. (Photo by Victoria Will/Invision/AP, File)