EU ETS: Trading Economics (July 13, 2026). CBAM certificate: European Commission Q1 2026 official price. UK ETS: ICE/Statista (2025). China: Argus (Mar 2025). California: CARB auction (Feb 2025). National taxes: World Bank State & Trends of Carbon Pricing 2025 / ICAP 2025. Facility emissions: Climate TRACE satellite estimates (2023) — indicative, not verified declarations.
From our guide: Carbon Price by Country 2026 — full context, charts and sources there.
