On the changes to the historical CO2 data

Between the two downloads in 11/2019 and 02/2021, 44% of carbon emission observations (Scope 1 CO2 emissions) by one of the major ESG data providers have in some way been altered (added, deleted, or rewritten).

Depending on when you download the data, you might find almost a third more/less Gt CO2.

Aggregate scope 1 emissions downloaded at 2 different dates: