Ah, the Environment Agency has finally figured out how clouds work. Apparently, if you delete your emails, rain will magically appear. Next they'll tell us turning off your WiFi prevents hurricanes.
For those who missed the joke: The headline hilariously confuses digital "clouds" with actual meteorological ones. Data centers do use water for cooling, but deleting your 2GB of cat photos won't exactly solve the Thames running dry.
Somewhere, a sysadmin is reading this while watering their server rack with a garden hose, "just to be safe."