Defying expectations, global CO2 emissions flatlined in 2019, despite the global economy growing.
The United States recorded the largest emissions decline on a country basis, with a fall of 140 million tons, or 2.9%. U.S. emissions are now down by almost 1 gigaton from their peak in 2000. Emissions in the European Union fell by 160 million tons, or 5%, in 2019.