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As of 2023, the United States is estimated to have emitted a cumulative total of *** billion metric tons of carbon dioxide (GtCOâ‚‚) from fossil fuels and industry. This accounts for roughly a quarter of historical global emissions since the Industrial Revolution began, and makes the U.S. the biggest carbon emitter of all time.

The industrial revolution reaching the U.S.

The United States was still in its infancy when the Industrial Revolution first started in Europe, and by 1800 it had emitted just ** metric tons CO₂. In comparison, European countries, specifically Great Britain, had already pumped millions of tons of CO₂ into the atmosphere from industrial activities. However, the U.S. would soon catch up and become a major global industrial power. Once the Industrial Revolution had reached the U.S., its economy shifted from agricultural to industrial, which saw emissions soar. 

Post-WW2 emissions

By 1950, the U.S. was already responsible for ** percent of global cumulative COâ‚‚ emissions produced since 1750. Although annual emissions in the U.S. have been falling in recent years, it has still emitted far more COâ‚‚ than any other country.