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TechRadar
TechRadar
Craig Hale

Microsoft admits its carbon emissions grew 25 percent in 2025, including a rise in fossil fuel use

Microsoft.
  • Microsoft produced 20.3 million tons of CO2e emissions last year, up from 16.2 million tons
  • Of the 37.5 million MWh of energy used, only 422,000 MWh came from unsustainable sources
  • A rise in diesel/crude oil consumption and Scope 2 emissions are key drivers

In its latest sustainability report, Microsoft has admitted its greenhouse gas emissions actually rose 25.1% year-over-year from 16.2 million tons to 20.3 million tons in 2025.

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