"We can confront these crises by retreating into isolationism, protectionism and exploitation. Or we can see in them a real chance for change, a genuine moment of conversion, and not simply in a spiritual sense."
Global Christian leaders have joined forces to warn that the world is facing a critical moment as the climate crisis threatens the future of the planet.
The climate emergency is a "challenge of civilisation" requiring sweeping changes to economic systems, but political leaders have not done enough, the pope has said in a message to governments meeting at the annual climate summit in Madrid.
