UN Secretary-General Ban Ki-moon (R) greets Lebanese Prime Minister Tammam Salam before a bilateral meeting at the United Nations in New York

UN Secretary-General Ban Ki-moon (R) greets President of Slovenia Borut Pahor before a bilateral meeting at the United Nations in New York

UN Secretary-General Ban Ki-moon (R) greets President of Peru Ollanta Humala Tasso before a bilateral meeting at the United Nations in New York

UN Secretary-General Ban Ki-moon during the Opening Session of the Climate Change Summit at the United Nations in New York