Energy-related CO₂ emissions per capita in the U.S. 2021, by state
Wyoming had the highest per capita energy-related carbon dioxide emissions in the U.S. in 2021, at 94.3 metric tons (tCO₂). By comparison, the U.S. average stood at 14.8 tCO₂ per capita. Wyoming's large carbon footprint is mainly due to the state's coal industry. Texas, which is the most polluting U.S. state, ranked eleventh in terms of per capita emissions.