A University of Bath–led study has estimated that the carbon dioxide produced by humans as our bodies turn food into energy rose by 74% between 1985 and 2015, reaching 2. 05 billion metric tons a year. Researchers say the findings could help scientists better understand where carbon comes from, ...

Source: [Phys.org](https://phys.org/news/2026-10-human-metabolism-billion-metric-tons.html)

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