Britain has caused 78 billion tonnes of CO2 emissions in a 270-year gap between 1750 and 2020, while China has caused 80 billion tonnes from 2013 to 2020.

​Britain has caused 78 billion tonnes of CO2 emissions in a 270-year gap between 1750 and 2020, while China has caused 80 billion tonnes from 2013 to 2020.