*Scope 3 emissions were not included in Cisco's annual reports from 2017-2018 and its % change reflects the decrease from 2019 onwards. Qualcomm's Scope 3 calculations were expanded in 2020 and its % change reflects the increase from 2020 as the baseline. Oracle's Scope 3 calculations were also recalibrated after the 2018 reporting year to reflect more accurate figures.