Pope Francis addresses the 70th session of the United Nations General Assembly, Friday, Sept. 25, 2015 at United Nations headquarters. (AP Photo/Bebeto Matthews)
Pope Francis waves at the audience while sitting in the head of state chair after addressing the 70th session of the United Nations General Assembly. (AP Photo/Mary Altaffer)
Pope Francis addresses the 70th session of the United Nations General Assembly, Friday, Sept. 25, 2015 at United Nations headquarters. (AP Photo/Mary Altaffer)
Pope Francis arrives to address the 70th session of the United Nations General Assembly, Friday, Sept. 25, 2015 at United Nations headquarters. (AP Photo/Mary Altaffer)
Pope Francis is shown on the screen as he enters the United Nations on September 25, 2015 at United Nations Headquarters in New York City. (Andrew Renneisen/Getty Images)
Pope Francis arrives in front of United Nations headquarters with Secretary General Ban Ki-moon Friday, Sept. 25, 2015. (AP Photo/Kevin Hagen, Pool)
Shakira arrives at the United Nations on September 25, 2015 in New York, where he Pope will make his first address to the UN General Assembly. (VINCENZO PINTO/AFP/Getty Images)
A woman walks past the Vatican flag as it is flown outside the United Nations headquarters on September 25, 2015 in New York City. (Carl Court/Getty Images)
The chamber where Pope Francis will address the UN General Assembly. (Cem Ozdel/Anadolu Agency/Getty Images)
Pope Francis addressed more than 100 world leaders and diplomats at the United Nations Friday, becoming the fourth pontiff to speak before the General Assembly.