Population Growth Mostly Drove a 74 Percent Rise in the Carbon Dioxide Humans Produce Just by Digesting Food
Nature World News | 11.11.2026 12:03The carbon dioxide people release as their bodies turn food into energy rose about 74% between 1985 and 2015, reaching roughly 2.05 billion tonnes a year, according to a University of Bath-led study in The Lancet Planetary Health. More than 60% of that increase came from population growth, not from individuals producing much more.