2015-07-17 Vatican - A high-level event was organized at the United Nations in New York on June 29, to address the issue of climate change, in which several eminent personalities from around the world were invited to speak. Among them were United Nations Secretary-General Ban Ki-moon and Cardinal Peter Turkson, the president of the Vatican's Pontifical Council for Justice and Peace. Cardinal made use of the gathering to highlight some of the issues in the recent environmental encyclical of Pope Francis, "Laudato Si", on the Care of Our Common Home. We bring you a programme on what Ban and Cardinal Turkson said.