
Microsoft's annual emissions jump 25%, with AI expansion named as the driver
Carbon Herald just published Microsoft’s AI Expansion Drives A 25% Increase In Annual Emissions. Carbon Herald covers Microsoft’s 2026 Annual Sustainability Report, which reflects on the company’s 2025 fiscal year and reports a 25% increase in annual emissions. The outlet attributes the rise to Microsoft’s rapid buildout of AI infrastructure, including the data centers and hardware needed to support its expanding AI services. The figure matters because Microsoft has pledged to become carbon negative by 2030, a target that gets harder as its footprint grows rather than shrinks. Microsoft is also one of the largest corporate buyers of durable carbon removal, so its emissions trajectory shapes how much CDR it will need to procure. The full report breakdown is in the linked article. ...








