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Data centres' water use has investors on high alert

Some sustainable-minded investors are trying to understand more about water risk before it becomes a liability

The environmental impact of data centres is poised to grow as the world produces more data each day. More companies are developing larger data centres as they transition to cloud computing, increasing the demand for water needed for cooling their data servers, said Pax World's Ms Gorte.


DATA centres, used by governments and large corporations to house their computer systems, have one big environmental problem: They get hot.

To keep them from overheating, large data centres can pump hundreds of millions of gallons of water a year through the facilities,