Reuters: Hollywood actor and environmental activist Leonardo DiCaprio has been named a United Nations Messenger of Peace, a post he will use to raise awareness about climate change, U.N. Secretary-General Ban Ki-moon said on Tuesday.
DiCaprio will address a U.N. summit meeting on climate change on Sept. 23, a day before the U.N. General Assembly's annual gathering of world leaders begins. Many leaders from the 193 member states of the United Nations are expected to attend the climate session.
"Leonardo...