The global advertising giant Interpublic Group (IPG) is facing allegations by staff that its rebrand of the world’s largest oil company violated a pledge to avoid work that could worsen the climate crisis. Documents obtained by DeSmog show that a group of IPG’s London-based agencies created campaigns designed in part to convince government policymakers that […] The post Exclusive: Ad Giant IPG Accused of Breaking ‘Industry First’ Climate Policy With Work for World’s Biggest Oil Co...