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Two More New Studies Show the Southern Ocean and Antarctica Were Warmer in the 1970s

Three emperor penguins standing on ice in the Antarctic, with an icy landscape in the background.

From NoTrickZone

By Kenneth Richard

The Southern Ocean (60-70°S) and Antarctica (south of 60°S) were warmer in the late 1970s and early 1980s than in recent decades (Vihma and Uotila, 2016, Ma et al., 2025).

These regional temperature anomalies do not align with linearly rising CO2 emissions.

Chart illustrating the annual 2-meter temperature trend in the Southern Ocean (60-70°S) from 1979 to 2022, showing fluctuations and a notable increase in recent years.
Image Source: Vihma and Uotila, 2026
Graph showing annual mean surface air temperature anomalies in Antarctica (south of 60°S) from 1979 to 2023, with fluctuations displayed over time.
Image Source: Ma et al., 2025

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