When measuring the impact of emissions on climate change, focusing solely on carbon dioxide (CO2) does not provide a complete picture. Instead, the term "CO2e" or carbon dioxide equivalent is used. This metric accounts for the global warming potential of all greenhouse gases, not just CO2. It includes gases such as methane (CH4), nitrous oxide (N2O), and fluorinated gases, converting their impact into the equivalent amount of CO2 that would have the same global warming potential over a specific time period.

This approach allows for a more comprehensive understanding and comparison of emissions from different sources, ensuring that all relevant greenhouse gases are considered in efforts to mitigate climate change.