By Adebunmi Akinbo 
Data centers generate massive amounts of heat. In the tropical climates of the Asia/Pacific region, keeping servers cool using traditional air conditioning consumes immense amounts of electricity.
The focus here is entirely on high-density cooling efficiency. Green ICANN is hoping to spearheading upgrades to transition facilities toward advanced liquid cooling systems. This will directly optimizes PUE (Power Usage Effectiveness—a metric where 1.0 represents perfect efficiency where all power goes straight to computing, not cooling). Liquid cooling allows tropical facilities to slice through their overhead energy footprint, even in high ambient temperatures.
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