The Encyclical due to be published today by Pope Francis represents a profound religious and philosophical challenge to the mainstream narratives of our times, writes Steffen Böhm, and a major confrontation with the great corporate, economic and political powers, as it spells out the potential of a new world order rooted in love, compassion, and care for the natural world.Improving the lives of slum dwellers and addressing climate change is, for Pope Francis, one and the same thing. Both require tackling the structural, root causes of inequality, injustice, poverty and environmental degradation.