The company is also modifying the data centers themselves. It introduced a closed-loop liquid-cooling design that CEO Satya Nadella says enables AI data centers to use about as much water annually as a restaurant . Microsoft is experimenting with microfluidic channels etched into silicon, zonal cooling that reserves colder liquid for the hottest equipment, and lower-carbon concrete, steel, and mass timber for its construction. These efforts have not exactly quelled anti-data-center sentiment around its data centers. The company faced protests over a planned facility near Granger, Indiana, while residents living near its $7.3 billion Fairwater AI complex in Wisconsin have filed a lawsuit alleging persistent noise, dust, traffic, and light pollution.
Away from carbon, the report records clearer progress. Microsoft replenished 14.2 million cubic meters of water, exceeding its global withdrawals for the first time, and reduced average data center water-use effectiveness by 25% from its 2022 baseline. It achieved a 92% reuse and recycling rate for retired cloud hardware, diverted 90.5% of construction and demolition waste from disposal, and reduced single-use plastics in primary product packaging to 0.07%. It also legally protected 16,266 acres of land, approximately 36% more than the land estimated to be occupied by its operations.
The report is equally candid about where Microsoft is falling behind. The company's most important commitment—becoming carbon-negative by 2030 — is moving further away rather than closer. Total greenhouse-gas emissions climbed 25% year over year and now sit roughly 58% above the company's 2020 baseline, largely because AI infrastructure is expanding faster than its decarbonization efforts can offset. Scope 2 emissions also jumped sharply, rising from nearly 2% of Microsoft's footprint in FY24 to 13% in FY25 as electricity demand from new data centers surged. While Scope 3 emissions remain the company's largest source of carbon pollution, the report says the growing contribution from purchased electricity underscores how increasingly difficult it is to power AI infrastructure with clean energy alone.
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Etiido Uko is a news contributor for Tom's Hardware covering the latest updates in big tech and the PC industry. He is a mechanical engineer and senior technical writer with over nine years of experience in documentation and reporting. He is deeply passionate about all things engineering and technology, and is an expert in gadgets, manufacturing, robotics, automotive, and aerospace. ","collapsible":{"enabled":true,"maxHeight":250,"readMoreText":"Read more","readLessText":"Read less"}}), "https://slice.vanilla.futurecdn.net/13-4-25/js/authorBio.js"); } else { console.error('%c FTE ','background: #9306F9; color: #ffffff','no lazy slice hydration function available'); } Etiido Uko Social Links Navigation News Contributor Etiido Uko is a news contributor for Tom's Hardware covering the latest updates in big tech and the PC industry. He is a mechanical engineer and senior technical writer with over nine years of experience in documentation and reporting. He is deeply passionate about all things engineering and technology, and is an expert in gadgets, manufacturing, robotics, automotive, and aerospace.
usertests The chief sustainability officer has been liquidated into a carbon rich feedstock. Reply
hotaru251 The company's most important commitment—becoming carbon-negative by 2030 — is moving further away rather than closer ahh thats where you are wrong… MS's most important commitment is to the shareholders and profit! Reply
JamesLahey Anyone else see the hypocrisy unfolding? All the same people who told you that individuals crypto mining was a terrible environmental crisis have piled on to the exponentially more consuming AI craze with nary a peep. The serfs are meant to sip soda from paper straws and forego travel while the tech corps monetize their consumption and personal data endlessly. Cynical take? I can’t see it any other way myself… Reply
kealii123 JamesLahey said: Anyone else see the hypocrisy unfolding? All the same people who told you that individuals crypto mining was a terrible environmental crisis have piled on to the exponentially more consuming AI craze with nary a peep. The serfs are meant to sip soda from paper straws and forego travel while the tech corps monetize their consumption and personal data endlessly. Cynical take? I can’t see it any other way myself… That's because the entire "carbon emissions" thing is a complete scam. Just like Al Gore's beach front property Reply
SomeoneElse23 kealii123 said: That's because the entire "carbon emissions" thing is a complete scam. Just like Al Gore's beach front property That, or they never believed it. Just "went along with it" to look good. (virtue signaling?) Reply
watzupken There is a difference between struggling, i.e. I tried really hard but did not get there, versus, I can't really be bothered about it where there is absolutely no struggle. With this recent AI craze, it is crystal clear that it was never the intention of corporations nor governments to "save the environment" to begin with. Reply
JamesLahey watzupken said: There is a difference between struggling, i.e. I tried really hard but did not get there, versus, I can't really be bothered about it where there is absolutely no struggle. With this recent AI craze, it is crystal clear that it was never the intention of corporations nor governments to "save the environment" to begin with. Agreed. Nothing wrong with being a good steward and I can get on board with making wise decisions about how we live in the environment. What has become painfully clear to me lately is as you say, whenever there is a price to be paid, it is only an inconvenience (legislated) to the common individual. If it impedes a faceless entity, it can be overlooked – and especially if it brings some power to either government or enterprise. Reply
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