Direct and Indirect Emissions (Metric Tons CO 2 e) Scope 1 and 2 Emissions using Market-Based method.  Direct (Scope 1)  Indirect (Scope 2) Direct and Indirect Emissions (Metric Tons CO 2 e) Scope 1 and 2 Emissions using Location-Based method.  Direct (Scope 1)  Indirect (Scope 2) ENVIRONMENTAL DATA EMISSIONS DATA Appendix C 2021 Owens Corning Sustainability Report | Appendices | 313 HCFC emissions are optionally included in Scope 1 emissions, in addition to the Kyoto gases, and the associated emissions are outlined in the table Ozone-Depleting Substances . 2021 2020 2019 2018 973,051 906,961 809,685 917,374 2,909,117 2,767,873 2,542,483 2,509,306 3,882,168 3,674,834 3,352,168 3,426,681 2021 2020 2019 2018 4,437,520 4,203,576 3,861,552 3,890,864 1,528,403 1,435,704 1,319,069 1,381,558 2,909,117 2,767,873 2,542,483 2,509,306