Simon Evans, deputy editor and policy editor at Carbon Brief, covers climate and energy policy. He holds a PhD in biochemistry from Bristol University and previously studied chemistry at Oxford University. He worked for environment journal The ENDS Report for six years, covering topics including climate science and air pollution.
Evans reports that there is a direct, linear relationship between the total amount of CO2 released by human activity and the level of warming at the Earth’s surface. Moreover, the timing of a tonne of CO2 being emitted has only a limited impact on the amount of warming it will ultimately cause.
This means CO2 emissions from hundreds of years ago continue to contribute to the heating of the planet – and current warming is determined by the cumulative total of CO2 emissions over time.
The video at the link below ,shows by ranked nation, the cumulative CO2 emissions from fossil fuels, land use and forestry from 1850-2021 (million tonnes). This animation was prepared by Tom Prater for Carbon Brief. (Evans, 2021)
References
Evans, S. (2021, October 5). Analysis: Which countries are historically responsible for climate change? Carbon Brief. Retrieved March 14, 2024, from https://www.carbonbrief.org/analysis-which-countries-are-historically-responsible-for-climate-change/
Evans, S., & Prater, T. (2021, October 5). Which countries are historically responsible for climate change? YouTube. Retrieved March 14, 2024, from https://youtu.be/6zP0L69ielU
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