BBC: Labels showing products’ carbon footprints will not help tackle climate change, says Alex Kasterine. In this week’s Green Room, he argues that carbon labelling schemes will harm exports, especially from developing nations, without making much impact on emissions. Carbon labelling schemes have been developed in order to show how much carbon dioxide (CO2) has been emitted during the production, processing and transport of a product. Retail giant Tesco is trialling carbon labels …