Berkeley Earth Reports 2025 Third-Warmest Year

Berkeley Earth released its 2025 Annual Temperature Report, finding 2025 was the third warmest year since 1850 with a global average of 1.44 ± 0.09°C above the 1850–1900 baseline and about 770 million people experiencing locally record-warm conditions. Based on the BEST-HR land and ocean dataset, the report highlights an extreme 2023–2025 warming spike and cites aerosol and cloud changes as possible amplifiers.
Scoring Rationale
High credibility, global scope and actionable attribution insights; limited novelty beyond annual update and remaining attribution uncertainties.
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