Dossier
renewable energy certificates
Coverage of renewable energy certificates in the Nexus archive.
- Microsoft carbon emissions rose 25 percent in 2025 as AI data centers grow
Microsoft reported a 25 percent increase in carbon emissions in 2025, driven by the expansion of AI data centers and the temporary halt of using non-additional, unbundled renewable energy certificates.
- Microsoft’s carbon emissions went up 25 percent last year
Microsoft's carbon emissions increased by 25% in 2025, reaching 34 million metric tons, driven by datacenter expansion and the cessation of purchasing certain renewable energy certificates. The company aims to achieve carbon negativity by 2030.
- EU weighs weaker data centre climate rules in win for Big Tech
The EU is considering weaker climate rules for data centres, marking a shift from previous strict proposals on renewable energy certificates. The change follows significant lobbying efforts, as indicated by a draft document.