Reuters: A "People's Pilgrimage" to highlight the effects of climate change and an upcoming papal encyclical on the environment aim this month to invigorate political will for an ambitious new deal to curb global warming. On Monday, former Philippines' climate change commissioner Naderev "Yeb" Sao kicked off a six-month journey around the world to places hit hard by climate change, beginning in the Pacific island state of Vanuatu, still struggling to recover from the devastation caused by Cyclone Pam in...