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A reformed carbon market is the only agreed priority among European policymakers for 2030, but the transport sector will need to change as well, explains Sonja van Renssen
The latest carbon dioxide emissions continue to track the high end of emission scenarios, making it even less likely global warming will stay below 2 °C. A shift to a 2 °C pathway requires immediate significant and sustained global mitigation, with a probable reliance on net negative emissions in the longer term.