Greenhouse gas emissions worldwide - Statistics & Facts

Climate change, which is the large-scale and long-term shift of the earth’s weather patterns and temperatures, is one of the most defining issues that humanity is currently facing. Since the Industrial Revolution, carbon dioxide (CO2) emissions have increased dramatically, increasing global temperatures by over 1 degree Celsius in comparison to pre-industrial times. Greenhouse gas emissions are gases that trap heat within earth’s atmosphere by absorbing energy and preventing heat from escaping into space. There are various types of gases including carbon dioxide, methane, nitrous oxide, and fluorinated gases that each impact climate change at varying levels – known as global warming potential. The effect of each gas depends on concentration of the gas in the air, length of time the gas remains in the atmosphere, and the strength of its effects on the atmosphere.

Despite the global scope of climate change, greenhouse gas emissions are largely emitted by a select number of countries. China, United States, and India were among the largest emitters of CO2 in 2018, however, the largest country emitters per capita tend to be high-income countries, such as the United States and Australia. There is a vast inequality in emissions where the poorest countries contribute a miniscule share of global emissions but are often the most vulnerable to climate change impacts. National governments and international organizations around the world have agreed to a target of limiting global temperature increase to 2 degrees Celsius. Mitigation and adaptation strategies, such as carbon prices, have been implemented on local and international scales. However, based on the climate policies that are currently in place, global temperatures will likely exceed this target in the near future.

Interesting statistics

In the following 5 chapters, you will quickly find the 30 most important statistics relating to "Global greenhouse gas emissions".

Global greenhouse gas emissions

Dossier on the topic

All important statistics are prepared by our experts – available for direct download as PPT & PDF!

Important key figures

The most important key figures provide you with a compact summary of the topic of "Global greenhouse gas emissions" and take you straight to the corresponding statistics.

Country breakdown


Select companies

Air pollutants

Carbon offsets

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