Per Capita Energy-Related CO2 Emissions Decreased in Every US State between 2005 & 2023 - CleanTechnica

Between 2005 and 2023, every U.S. state experienced a decrease in per capita CO2 emissions from primary energy consumption, contributing to a nationwide 20% reduction in energy-related CO2 emissions. This decline is primarily attributed to a shift in electricity generation from coal to natural gas—which emits about half the CO2 of coal—and increased use of non-emitting renewable sources like wind and solar. Maryland led the nation with a 49% reduction in per capita emissions, driven by a 74% reduction in total CO2 emissions due to coal retirement and renewable energy adoption, alongside population growth. The District of Columbia recorded the lowest per capita emissions at 3.6 metric tons CO2 in 2023. Sectoral shifts also played a significant role: by 2023, the transportation sector became the largest source of CO2 emissions in half of the states, overtaking the electric power sector in many cases due to reduced coal use and relatively stable petroleum consumption for transport. Coastal