UN climate science panel fails again to agree report timeline

· Climate · Ethiopia

Countries meeting in Ethiopia failed for the sixth consecutive time to agree on a timeline for publishing the next assessment report from the Intergovernmental Panel on Climate Change, according to Carbon Brief's Q&A on the meeting. The talks ended in what the outlet described as "profound disappointment," with governments unable to settle when the IPCC's next major scientific review should be released. The IPCC's assessment cycles set the scientific calendar for governments, businesses and researchers who use its findings to plan climate policy and investment. The failure to fix a schedule delays clarity on when the next authoritative global stocktake of climate science will appear, and raises questions about how the panel will align its work with the next round of national climate pledges.

Why it matters：The IPCC's assessment schedule is the reference point for climate policy and investment worldwide, so repeated deadlock over its timeline undermines planning certainty for governments and industries alike.

Key points

  • The deadlock marks the sixth straight failure to agree a timeline.
  • The meeting was held in Ethiopia and reviewed progress on the panel's next assessment cycle.
  • No new publication date for the next assessment report was settled.

Sources (original reporting)

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