Stefan Mileschin

Ahead of the UN's COP26 climate change conference, which starts on Sunday, Microsoft has revealed more details about its plans to make its data centers greener. Among those is a goal of reducing the amount of water its data centers use by 95 percent by 2024 — around 5.7 billion liters each year.

Data centers often use water to keep servers cool. Microsoft has researched server performance at higher temperatures and found that it's able to "create higher set points for a variety of different climates for when water-based, evaporative cooling is necessary to preserve server performance and reliability," as Noelle Walsh, Microsoft's corporate vice president of cloud ops and innovation wrote in a blog post.

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