Costain

Costain, a GB-based Construction work (45) company, reported total carbon emissions of approximately 278.2 million kg CO2e in 2024. This includes about 4.8 million kg CO2e from Scope 1, 888,070 kg CO2e from Scope 2, and 272.6 million kg CO2e from Scope 3 emissions. In 2023, their total emissions were about 281.4 million kg CO2e, comprising approximately 4.9 million kg CO2e (Scope 1), 1.3 million kg CO2e (Scope 2), and 275.2 million kg CO2e (Scope 3).

Costain has set ambitious climate commitments, with targets validated by the Science Based Targets initiative (SBTi). The company commits to reaching net-zero greenhouse gas emissions across its value chain by 2050. Near-term targets include a 42% absolute reduction in Scope 1 and 2 GHG emissions by 2030, from a 2021 base year, and a 42% absolute reduction in Scope 3 GHG emissions within the same timeframe. Long-term targets aim for a 90% absolute reduction in Scope 1 and 2 GHG emissions by 2050 from a 2021 base year, and a 90% absolute reduction in Scope 3 GHG emissions by 2050. Costain is also committed to reducing directly controlled absolute Scope 1 and 2 GHG emissions by at least 90% by 2035 from a 2021 base year, and to reduce indirect absolute Scope 3 GHG emissions by 90% across the value chain to reach net zero by 2045 from a 2021 base year. Additionally, Costain is a signatory of the Climate Pledge, committing to net-zero carbon emissions by 2040.