Tech
Microsoft struggles to fulfill its 2030 sustainability promise amid carbon-heavy AI expansions - the company's chief
According to Microsoft's 2026 Environmental Sustainability Report released on July 9, 2026, the company's greenhouse gas emissions for fiscal year 2025 rose
Key takeaways
- Microsoft's emissions for fiscal 2025 rose by 25% from the previous year, moving its 2030 carbon-negative goal further away.
- The emissions increase was driven by rapid data center expansion and halting the use of short-term renewable energy certificates.
- Environmental solutions are not expanding as quickly as AI infrastructure.
- Microsoft will prioritize longer-term agreements that add new carbon-free generating capacity to the grid, even if it increases reported emissions in the near term.
According to Microsoft's 2026 Environmental Sustainability Report released on July 9, 2026, the company's greenhouse gas emissions for fiscal year 2025 rose 25% year-over-year to approximately 20.3 million metric tons, placing them 58% above its 2020 baseline. This increase was driven by rapid AI data center expansion and a decision to stop purchasing short-term, unbundled renewable energy certificates. While electricity-related Scope 2 emissions jumped from 2% to 13% of its footprint, Microsoft reported positive progress elsewhere, including replenishing 14.2 million cubic meters of water and achieving a 92% recycling rate for retired cloud hardware.
In their words
“This tension is real. It is forcing sharper questions: Where do we need to move faster, invest differently, or rethink our approach?”
By the numbers
- +25%
- Increase in Microsoft's carbon emissions for fiscal 2025
- 20.3M
- Metric tons of carbon dioxide-equivalent emissions in FY25
- +58%
- Emissions increase compared to Microsoft's 2020 baseline
- +24%
- Increase in Microsoft's electricity consumption during the year
- 13%
- Scope 2 electricity-related emissions share in FY25
How it unfolded
- Microsoft establishes its 2030 carbon-negative goals
- Microsoft reports 16.2 million tons of emissions
- Emissions rise 25% to 20.3 million metric tons
- Microsoft releases its 2026 Environmental Sustainability Report
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