The head  the Roman Catholic Church, Pope Francis, has given a stark warning to  50 of the world's top oil company executives  the threat to humanity  fossil fuels. At a private, closed-door meeting  the Vatican on Saturday, the pontiff urged the oil companies to switch to renewable energies  the sake  our planet. He told the executives that fossil fuels were a major driver  climate change and that global warming represented a challenge  "epochal proportions". He said the companies needed to act quickly, saying: "There is no time to lose." He warned that: "With each month that passes, the challenge  energy transition becomes more pressing."
Pope Francis explained how important it was  the world to transition to greener forms  energy. He said: "The energy question has become one  the principal challenges...facing the international community. The way we meet this challenge will determine our overall quality  life." Francis said fossil fuels are a contributor to poverty, war and death  the world as they affect, "the real possibility either  resolving conflicts in different areas of our world or ...providing them  new fuel to destroy social stability and human lives." He added: "Civilization requires energy, but energy use must not destroy civilization....Clean energy is a duty that we owe towards ...generations yet to come.