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EU and China Join New Coalition to Link Carbon Markets at COP30

It begins a multi-year push to standardize emissions trading rules for future cross-border use.

Overview

  • Brazil’s COP30 presidency announced the Open Coalition on Compliance Carbon Markets, with the EU, China, Canada, the UK, Mexico, Chile and Zambia listed as partners.
  • Members aim to align accounting rules and quality standards so national emissions trading systems can eventually trade allowances across borders.
  • EU climate commissioner Wopke Hoekstra welcomed the coordination effort, while experts such as Linda Kalcher cautioned that harmonizing diverse systems will take years.
  • The EU Environment Council has postponed the launch of the separate ETS for buildings and transport to 2028, intensifying debate over social fairness and policy design.
  • The new Climate Change Performance Index presented in Belém ranks Denmark as a frontrunner and drops Germany to 22, citing a renewed focus on gas and gaps in transport and buildings, with the United States near the bottom and China at 54.