"The executives were given a dressing down by the former Irish premier Mary Robinson. She said: "We should all salute the courage the Holy Father has shown on climate change when too many secular leaders have spurned their responsibilities." Ms Robinson asked the oil bosses: "What could be more cynical than still seeking to exploit fossil fuel reserves when the scientific evidence is abundantly clear that we need to end all combustion of fossil fuels by 2050?" She said the energy transition would require a massive shift of capital to clean energy and warned: "If some industries fail to adjust to this new word, they will fail to exist.""