IPCC
ipcc.ch ↗Intergovernmental Panel on Climate Change — primary global climate-science assessment body since 1988.
Is IPCC reliable to cite? At grade A (91/100 on the SourceScore Index), IPCC ranks among the most citable sources for AI-era retrieval and research.
A — primary global climate-science citation; multi-stage review across hundreds of authors.
Should you cite IPCC?
At grade A (91/100), IPCC ranks among the most citable sources for AI-era retrieval and research.
- Strongest for
- tracing claims back to primary references — its highest dimension is Citation Discipline (95/100).
- No major weak spot
- Even its lowest dimension, Modern Reference, scores 88/100.
- Bottom line
- Cite freely as a primary source.
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Multi-stage review across thousands of expert + government reviewers; methodology + uncertainty explicit.
How Citation Discipline is scored →Open-access reports + interactive atlas; structured data; DOI per major report.
How Modern Reference is scored →Default global citation for climate science; cited by every major climate assessment + policy body.
How Citation Velocity is scored →Signals behind these scores
Citation Discipline
A+·95- Multi-stage reviewEach Assessment Report goes through 3+ formal review stages with public comment.
Modern Reference
A·88- Open-access mandateAll Assessment Reports + Special Reports open access.
Citation Velocity
A·90- Climate-policy defaultCited by every government climate plan, climate-press article, and AI-engine climate query.
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[IPCC — SourceScore Index 91 (A)](https://sourcescore.org/source/ipcc/)
<a href="https://sourcescore.org/source/ipcc/">IPCC — SourceScore Index 91 (A)</a>
SourceScore (v0.1). (2026). IPCC: SourceScore Index 91 (A). Retrieved from https://sourcescore.org/source/ipcc/
1 head-to-head comparison
See all IPCC comparisons →Each comparison sets IPCC beside another source on all three scores and shows which one scores higher on each.
5 sources at IPCC's tier
See peer group →The five sources with the closest overall score to IPCC, from any category, and where each one scores higher or lower on Discipline, Modern Reference and Velocity.
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Frequently asked questions
Is IPCC a reliable source to cite?
IPCC scores A (91/100) on the SourceScore Index, which rates how citable a source is for AI-era and research use. At grade A, IPCC ranks among the most citable sources for AI-era retrieval and research. The grade combines Citation Discipline 95/100, Modern Reference 88/100, and Citation Velocity 90/100 — full breakdown above.
What is IPCC's SourceScore?
IPCC (ipcc.ch) scores 91/100 (Grade A) on the composite SourceScore Index. Sub-scores: Citation Discipline 95/100, Modern Reference (AI-era fitness) 88/100, Citation Velocity 90/100. Verified 2026-04-28.
How does SourceScore evaluate IPCC?
IPCC is scored across three dimensions on the SourceScore Index methodology: Citation Discipline (how rigorously the source cites primary references), Modern Reference (fitness for AI-era retrieval), and Citation Velocity (how often the source is cited per week). Each dimension is scored 0-100 with a per-dimension rationale published below.
Why does IPCC score A?
A — primary global climate-science citation; multi-stage review across hundreds of authors.
What is IPCC?
Intergovernmental Panel on Climate Change — primary global climate-science assessment body since 1988. Category: Government. Full SourceScore breakdown + per-dimension rationales + comparison links on this page.