Microsoft Emissions Surge 25% as AI Buildout Crimps Climate Goals
Microsoft said AI infrastructure is driving energy demand faster than sustainability solutions can scale, after emissions climbed to 20 million metric tons of CO2 equivalent.
- On Thursday, Microsoft reported that its carbon emissions climbed 25% in 2025, reaching 20 million metric tons of carbon dioxide equivalent due to heavy investment in artificial intelligence data center infrastructure.
- The company attributed the surge partly to a policy shift in February 2025, halting purchases of "spot" energy attribute certificates and acknowledging this move would "temporarily move us out of a carbon-neutral position."
- Similar reports from Amazon and Google last week showed emissions surging 16% and 18% respectively, as companies acknowledged that AI infrastructure expansion is outpacing their decarbonization efforts.
- Microsoft Chief Sustainability Officer Melanie Nakagawa emphasized the firm remains focused on its 2030 carbon negative goal, though she noted "many of the sustainability solutions are not scaling fast enough to keep pace with AI infrastructure growth."
- UN Secretary-General Antonio Guterres launched the AI Environmental Transparency Initiative during London Climate Week on June 23, urging major technology companies to commit to powering all data centers with renewable energy by 2030.
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Microsoft says it matched its entire electricity consumption with renewable energy last year. The bad news is it also increased greenhouse gas (GHG) emissions by 25 percent due to datacenter construction. The cloud and software biz has released a 2026 Environmental Sustainability Report [PDF], claiming its environmental sustainability work is entering a new phase due to rapid technological change. A global shift towards AI is reshaping economies…
Microsoft emissions surge 27% as AI buildout crimps climate goals
Microsoft's greenhouse gas emissions jumped 27% in its latest fiscal year, the tech giant disclosed Thursday, adding to a wave of worsening environmental reports from an industry racing to build AI infrastructure.
Microsoft’s carbon emissions went up 25 percent last year
Microsoft may once again be struggling to keep up with its own climate goals, according to its 2026 sustainability report. As reported by GeekWire, the report states that Microsoft's carbon emissions increased 25 percent in 2025, totalling 34 million metric tons "without select interventions." Microsoft says this was "driven primarily by the expansion of our datacenter infrastructure," as well as the company's decision last February to stop purc…
Microsoft’s Climate Pollution Surged 25% Last Year
We got a look at another major tech company’s latest energy and carbon emissions data — and it’s a doozy. On Wednesday, Microsoft released its annual sustainability report, giving us another year’s worth of energy and emissions data for a company that Heatmap’s annual insiders poll once judged to be one of the best hyperscalers for climate change.The headline: Microsoft’s climate pollution surged last year. Its carbon emissions increased 25% yea…
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