Alex Sharp, Chief Projects Officer, Data Centres at Nscale, outlines the scale of the AI data centre challenge – with average rack consuming 130 kilowatts of power, and as chips become more sophisticated, so too does their appetite for energy. In just five years, data centres could account for up to 30% of global emissions. Happily, there are ways in which such a future can be addressed to ensure a sustainable, digital future for the data centre sector.