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US Renewable Energy Share vs US Forest Area
US Renewable Energy Share and US Forest Area correlate at r = +0.87 over 34 years (1990–2023), p < 0.0001. With the time trend removed, r = +0.01. Likely spurious (shared time trend).
Verdict: Likely spurious (shared time trend). Both series mostly just trend over time. After removing that trend the correlation collapses to 0.01 — the relationship is probably coincidental, not causal.
- Pearson r
- +0.87
- p-value
- < 0.0001
- Years compared (n)
- 34 (1990–2023)
- 95% confidence interval
- 0.76 to 0.93
- Correlation with the time trend removed
- +0.01
Sources
- US Renewable Energy Share (% of primary energy): Our World in Data. US Renewable Energy Share (Our World in Data: Renewables).
- US Forest Area (% of land): World Bank. US Forest Area (World Bank indicator AG.LND.FRST.ZS).
Related pairs
- US Renewable Energy Share vs US Federal Debt Outstanding (r = +0.99)
- US Renewable Energy Share vs US Wind Power Generation (r = +0.99)
- US Forest Area vs US Mobile Subscriptions (r = +0.98)
- US Forest Area vs US Resident Patent Applications (r = +0.97)
- US Adult Obesity vs US Forest Area (r = +0.97)
- US Renewable Energy Share vs US CO₂ Emissions per Capita (r = -0.97)
Correlation does not imply causation. How the verdict is worked out.