US renewable electricity outputDeaths from falling out of bed in the US
As US renewable electricity output has grown, bed-fall deaths have risen, adding clean energy to the bed-fall correlation catalog with the green confidence of a chart that treats solar panels and mattress hazards as equivalent upward trends. The grid gets cleaner, the bed gets more dangerous, and the coefficient achieves another 0.979 because the aging population correlates with literally everything that grows.
Renewable electricity grew from about 350 billion to over 900 billion kWh. Bed-fall deaths rose with the aging population. Seventeen years, both up. The wind turbines and the bed-fall victims share nothing except a nation and a direction.
Seventeen years of renewables and bed falls is another entry in the bed-fall omnibus. The grid improves, the body falls, and the coefficient is the same 0.98 it always is. The electrons are renewable. The elderly are not. The correlation is eternal.
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Want to learn more about why correlations like “US renewable electricity output” vs “Deaths from falling out of bed in the US” don't prove causation? Read our guide to statistical thinking.