The latest version of the "hockey stick" chart shows unprecedented warming in recent years.

Change in global surface temperature relative to 1850-1900 average

Numbers are observed from 1850–2016; for prior years, they are reconstructed using proxy records like tree rings, corals, and ice cores.
Chart: Elijah Wolfson for TIME Source: IPCC, 2021: Summary for Policymakers Get the data
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