Read about which world leaders will not be in attendance here...
http://bit.ly/YP3Pw9
"Messenger of Peace" = Leonardo Dicaprio though I call him the Messenger of Vanity because that's what these guys are all about. Celebrity's so consumed with Peace, regarding Climate Change anyways, not ISIS, not Russia invading and taking over lands that use to be the USSR, not the invasion of the US on the southern border bringing potential terrorists, diseases (EBOLA), and more mouths to educate and feed but CLIMATE CHANGE PEACE... you know cuz humans are so totally powerful they can control the climate...like they did when the dinosaurs became extinct...