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U.S. carbon dioxide emissions 1975-2019

The statistic shows the total U.S. energy-related carbon dioxide emissions between 1975 and 2019. In 2019, around 5.13 billion metric tons of CO2 emissions were produced from energy consumption in the United States. In 2018, around 36.6 billion metric tons of carbon dioxide was emitted globally.

U.S. carbon dioxide emissions from energy consumption

The year 1997 marked the birth of the Kyoto Protocol. That year, global energy-related CO2 emissions stood at around 24.4 billion metric tons. Despite numerous assurances by policymakers to undertake efforts to reduce pollution, this figure increased to more than 36 billion metric tons of carbon dioxide in 2017.

North America and the Asia Pacific regions are presently the biggest producers of carbon dioxide emissions as a result of a growing thirst for energy derived from fossil fuels such as oil, natural gas and coal. China is currently the most polluting country in the world , with a 27.5 percent share of global CO2 emissions in 2018. A comparative analysis between CO2 levels in 1993 and those in 2003 shows that emission levels in China have more than tripled in a span of ten years. According to a recent forecast, energy-related global CO2 emissions from the consumption of coal, natural gas and liquid fuels are set to rise to unprecedented levels through 2040, while U.S. CO2 emissions produced by the use of natural gas are set to grow from 1.68 billion metric tons of CO2 equivalent in 2019 to 1.97 billion metric tons in 2050.

In 2014, in Lima, Peru, negotiations were held regarding a post-Kyoto legal framework forcing major polluters, including China, India, and the United States, to pay for CO2 emissions. Although most countries refused to ratify this latter treaty, there has been a worldwide commitment towards so called “green energy.” Global renewable energy consumption soared from 44.4 million metric tons of oil equivalent in 1998 to 561 million metric tons of oil equivalent in 2018. International investments in renewable energy sources increased six-fold, as the world has invested more than 288 billion U.S. dollars in alternative energy sources and technologies as of 2018.

Carbon dioxide emissions from energy consumption in the U.S. from 1975 to 2019 (in million metric tons of carbon dioxide)*

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Release date

April 2020


United States

Survey time period

1975 to 2019

Supplementary notes

* According to the source, data include electric power sector use of geothermal energy and non-biomass waste. Excluding emissions from biomass energy consumption.
Values have been rounded to provide a better understanding of the statistic.
Historical figures can be found here under the annual tab.

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Statistics on "Emissions in the United States"

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