How much water do data centres really use? Sky News technology correspondent Rowland Manthorpe visits a “waterless” data centre in London and reveals how much water data centres use in the UK and why the issue is more complicated than it first appears. Using figures from the Environment Agency, MOSL and others, Rowland compares the sector’s water use with other industries and looks at where the real pressure points could emerge as demand for AI grows. Chapters: 00:00 Inside a "waterless" London