Coal production fell by 24%, whereas solar and wind energy grew 22% and 14%, respectively. Overall, fossil fuel production was up 32% in 2020 compared to 1980, largely due to a 74% increase in natural gas production. Nuclear energy production increased 201% since 1980 and renewable production increased 116%. Combined, renewable and nuclear energy comprised 21% of energy production in 2020.
The US emits fewer greenhouse gases per person than in 1990, but still emits 20 metric tons of carbon dioxide equivalents per person.
Carbon dioxide is the largest source of US greenhouse gas, comprising 80% of 2019 emissions, followed by methane at 10%. In 2018, the US made up 15% of the world’s carbon dioxide emissions and emitted more metric tons of carbon dioxide (5.3 billion metric tons) than any country other than China (10.8 billion metric tons).