Microsoft is one of the companies that, a few years ago, set out to be less polluting. There were two goals, the first being to become a company.”carbon negative” by 2030. They began to investigate to create more sustainable buildings and to make better use of water and heat from the Azure hubs to pollute less, but then came the final boss of climate goals.
Artificial intelligence.
The figures. In it last environmental report, the American company indicates that its total emissions went from about 16 million tons of CO2 to about 20 million net tons in the last fiscal year. As we see in The Vergethat implies that, during 2025, they were 25% more than in the previous period. That “net” thing is explained because they really emitted 34 million, but then you have to subtract the carbon that they paid to remove from the atmosphere, which gives us those 20 million tons.
As we see in GeekWirethat places Microsoft emitting as much CO2 as Panama or Lithuania. According to Melanie Nakagawa, director of sustainability at the company, Microsoft continues to focus on the 2030 goal. And what has caused this situation is the push for data centers and artificial intelligence.
Scope 3. The report itself points out that the main cause of the increase is investments in new data centers for AI and cloud computing, including integrated OpenAI systems in Microsoft products. And where this carbon footprint accumulates the most is in what they qualify as Scope 3, which encompasses the construction materials of data centers (steel and cement, which we already know are highly polluting), as well as the purchased goods and services, which skyrocket with the massive deployment of AI infrastructure.
That Scope 3 concentrates around 96% of Microsoft’s entire footprint, far above the direct emissions from its operations.
Electricity. But it is not only due to the construction of the buildings, since these facilities must be maintained. Emissions linked to electricity have increased almost ten times between 2024 and 2025 and, although they pride themselves on reducing direct emissions, they recognize that electricity demand has skyrocketed and it is difficult to cover everything with renewable energy alone.
There are already independent analyzes that highlight that Microsoft’s electricity consumption went from 23.6 TWh to 29.8 TWh, 26%, in 2024, and we have to wait to see the independent figures for 2025. If with emissions we have that they are higher than those of Panama, with consumption Microsoft ‘swallows’ the same as Ireland. and it is expected that AI consumption will skyrocket by 2030.
braking. Due to this boom and fever for artificial intelligence, Microsoft is deviating from the goal set in 2020, exemplifying the tension between being an AI company and being a company with environmental objectives. But let’s not think that it is the only one because the carbon footprint of amazon increased by 16% last year and that of Google 18%.
They remain committed, of course, but right now we are talking about non-terrestrial computing, space but. And for that, many rockets have to be sent into space, with their corresponding emissions. Although the end is good, according to Jeff Bezos: sending all pollution away from Earth to return to the state prior to the Industrial Revolution.
Something is something.
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