2025-11-13? unverified
With CO₂ emissions still increasing, keeping global warming below 1.5°C is no longer plausible; the remaining carbon budget for 1.5°C — about 170 billion tonnes of CO₂ — will be gone before 2030 at the current emission rate.
Recorded as a falsifiable claim about the near future; resolvable against cumulative emissions accounting before 2030. Spoken by Prof Pierre Friedlingstein presenting the Global Carbon Budget and attributed here to the institution.