Summit Materials

Summit Materials, a US-based construction work company, reported its Scope 1 emissions as approximately 1.73 billion kg CO2e and Scope 2 emissions as approximately 280 million kg CO2e in 2023. This is a reduction from 2022, where Scope 1 emissions were around 1.87 billion kg CO2e and Scope 2 emissions were approximately 260 million kg CO2e. In 2021, Scope 1 emissions were approximately 1.89 billion kg CO2e and Scope 2 emissions were around 310 million kg CO2e. For 2020, Summit Materials reported Scope 1 emissions of approximately 1.96 billion kg CO2e and Scope 2 emissions of about 230 million kg CO2e. The company has not disclosed Scope 3 emissions data.

Summit Materials aims to reduce its Scope 1 and Scope 2 emissions by approximately 25% by 2030, using 2020 as a baseline. The company also has an intensity target for cement emissions, aiming for 0.65 metric tonnes CO2e per metric tonne produced by 2030 for both Scope 1 and Scope 2. For the longer term, Summit Materials has a net-zero target for Scope 2 emissions by 2050, aiming for a 50% reduction to 0.25 metric tonnes CO2e per metric tonne produced with the use of offsets. All emissions and climate commitment data are inherited from its parent company, Summit Materials, Inc.