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How to play the next big trend in ESG investing: green data centers

A data center.
Erik Isakson | DigitalVision | Getty Images

Data centers are critical to the modern economy, and as they grow in importance there's an "urgent need" to reduce their heavy environmental footprint, according to Barclays. The firm noted that data centers — although somewhat invisible — are the modern equivalent of a public utility, and investors shouldn't overlook the sector.

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