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Human metabolism emits 2 billion tonnes of CO2 yearly
Key Takeaways
- Human metabolic CO2 output rose from 1.18 billion tonnes in 1985 to 2.05 billion tonnes in 2015.
- The study attributes most of the increase to population growth.
- Researchers emphasize that exhaled CO2 mainly circulates within the natural carbon cycle, unlike fossil emissions.
DE
DT Editorial Team··via sciencedaily.com