In this aerial view water vapour and exhaust rise from the steel mill of Salzgitter AG, one Europe's largest steel producers, on November 22, 2023 in Salzgitter, Germany.Sean Gallup | Getty Images News | Getty ImagesPolicymakers and business leaders from across the globe are set to arrive in Dubai in the United Arab Emirates for the world's biggest and most important annual climate conference.The COP28 summit, which starts on Thursday and is scheduled to run through to Dec. 12, will provide a critical forum for government officials, business leaders and campaign groups to accelerate action to tackle the climate crisis.The pressure to deliver is immense. Global temperatures and greenhouse gas emissions continue to break records, with no continent left untouched by more frequent and intense...