According to International Energy Agency (IEA) data, carbon dioxide (CO2) emissions from the global energy and industrial sectors reached 37.6 gigatons (Gt) CO2 in 2024.
These emissions increased by 0.8% compared to 2023 (year-on-year/yoy), setting a new record high, as shown in the graph.
"This increase contributed to a rise in atmospheric CO2 concentration to 422.5 ppm (parts per million) in 2024, approximately 50% higher than pre-industrial levels," stated the IEA in its *Global Energy Review 2025*.
The figures presented here are limited to CO2 emissions and do not include other greenhouse gas emissions such as methane (CH4), nitrous oxide (N2O), and fluorinated gases (F gases).
The figures also do not include fugitive emissions, such as those from pipeline leaks, tank damage, or other unintentional emissions from the industrial sector.
According to the IEA, the increase in emissions from the global energy and industrial sectors in 2024 was mainly driven by increased consumption of natural gas and coal.
In 2024, global CO2 emissions from natural gas increased by 2.5% (yoy), driven by increased consumption in China, the United States, the Middle East, and India.
Global CO2 emissions from coal increased by 0.9% (yoy), driven by increased consumption in China, India, and Southeast Asia, despite a decrease in coal demand in developed countries, particularly the United States and the European Union.
The IEA attributes the increase in emissions in 2024 to several factors, including the continued economic recovery from the impact of the Covid-19 pandemic, increased air travel activity, and global temperature changes.
"Extreme temperatures worldwide and poor wind conditions in Europe led to increased use of fossil fuels for electricity production," said the IEA.
"Global temperatures have a significant impact on energy sector emissions, particularly by influencing energy demand for heating and cooling," it continued.