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Story summary
- Microsoft, Amazon and Google emitted 119 million tonnes of CO2e in the year ending March 2026, with Microsoft’s emissions up 25 percent to 20 million tonnes, Amazon’s up 16 percent and Google’s up 18 percent, driven by AI data-center expansion.
- The firms will spend $765 billion on AI datacenters this year, have pledged net-zero goals, and emit CO2 comparable to France or Czechia.
- Researchers Cecilia Rikap and Shaolei Ren say the emission spikes follow AI investment.
