Government
IPCC
ipcc.ch ↗Intergovernmental Panel on Climate Change — primary global climate-science assessment body since 1988.
SourceScore Index
A·91Composite weighted across Discipline, Modern Reference, and Velocity.
A — primary global climate-science citation; multi-stage review across hundreds of authors.
Citation Discipline
A+·95
Multi-stage review across thousands of expert + government reviewers; methodology + uncertainty explicit.
About this sub-score →Modern Reference
A·88
Open-access reports + interactive atlas; structured data; DOI per major report.
About this sub-score →Citation Velocity
A·90
Default global citation for climate science; cited by every major climate assessment + policy body.
About this sub-score →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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APA
SourceScore (v0.1). (2026). IPCC: SourceScore Index 91 (A). Retrieved from https://sourcescore.org/source/ipcc/
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