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The use of information and communication technology and the Web-based products it provides is responsible for significant global energy use and consequent emissions of greenhouse gases. Media organisations acknowledge this to be a growing sustainability issue for their businesses; many are anxious to better understand how they can manage the carbon footprints of their digital services. This paper combines learning from a computer-based mathematical model of energy use in a digital product system with intelligence of the day-to-day activities of a global news business, Guardian News and Media Limited. It finds that: (1) emissions associated with a digital news product are comparable to media activities already subject to environmental management, suggesting an issue of material importance to publishers; (2) unlike physical products such as newspapers, the way energy is consumed in a digital news …