Data that is stored and not used has a carbon footprint. How companies can manage dark data better

By Hanlie Smuts, Professor and Head of Department, University of Pretoria

In today’s world, huge amounts of data are being created all the time, yet more than half of it is never used. It stays in silos, or isn’t managed, or can’t be accessed because systems change, or isn’t needed because business priorities change. This “dark data” accumulates in servers and storage devices, consuming electricity and inflating the digital carbon footprint.

It may appear harmless, but this growing mass of digital waste has consequences for the…

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