Manila Bulletin: The path to a ‘clean energy’ future is presenting scale of challenges that confront global experts to sift through best approaches that could underpin the energy sector’s transition into a new energy mix. At the 21st World Energy Council (WEC) Congress here, debates and discussions are expected to center on policy challenges addressing environmental and cost pressures relative to inescapable changes in energy development agendas, so that meeting future energy demand can be inherently …