BusinessClimate-saving efforts need businesses on boardTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusiness12/12/2017December 12, 2017As Emmanuel Macron is hosting the "One Planet" summit of political and business leaders, DW speaks with energy analyst Claudia Kemfert about the French president's chances to accelerate efforts to curb climate change. https://p.dw.com/p/2pDbhAdvertisement