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Tokyo Average Temperature vs US Energy Use per Capita

Tokyo Average Temperature and US Energy Use per Capita correlate at r = -0.35 over 61 years (1965–2025), p = 0.0057. With the time trend removed, r = -0.13. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = 0.0057) and the association survives trend removal (detrended r = -0.13). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.35
p-value
0.0057
Years compared (n)
61 (1965–2025)
95% confidence interval
-0.55 to -0.11
Correlation with the time trend removed
-0.13

Sources

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Correlation does not imply causation. How the verdict is worked out.