Science1850-2020globalhigh confidence

The global average temperature rose by 1.09°C when comparing the 1850-1900 average to the 2011-2020 average.

Notes on verification

Figure directly from IPCC AR6 WG1 SPM (2021), corroborated by multiple independent datasets (HadCRUT5, NOAAGlobalTemp, GISTEMP, Berkeley Earth) and widely reported by credible outlets.

Sources