SciencePhoto: Science DailyHumans Emit 2 Billion Tons of CO2 Annually Through Metabolism
Humans produce over 2 billion metric tons of carbon dioxide each year simply by metabolizing food for energy, marking a 74% rise in 30 years mainly due to population growth. Unlike fossil fuel emissions, this CO2 is part of the natural carbon cycle. Scientists suggest better measurement could enhance climate modeling accuracy.
Science Daily·




