Data centres have become a hot topic, consuming 23% of Ireland's power and a staggering amount of water.
Ireland has a huge number of them per head of population compared to other EU countries, and people are increasingly concerned about the environmental and energy impact.
Local communities around the country including Kilmeaden, Co Waterford and Naas Co Kildare are beginning to rally against new centres.
Research published last month digs into the reality of data centres in Ireland and one of its writers Patrick Bresnihan is the guest on today's episode.
Economic benefits of data centres have been 'exaggerated', report claims
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