Aecom

AECOM, a US-headquartered Engineering Services firm, reported its total carbon emissions for 2025 as approximately 1.597 billion kg CO2e. This figure includes Scope 1 emissions of about 26.3 million kg CO2e, Scope 2 emissions of around 18.6 million kg CO2e, and Scope 3 emissions totalling approximately 1.552 billion kg CO2e. For 2024, the company's total emissions were around 1.795 billion kg CO2e. In 2023, AECOM's total emissions were about 1.801 billion kg CO2e.

AECOM has set Science Based Targets initiative (SBTi) approved targets. The company aims for net-zero greenhouse gas emissions across its value chain by FY2040 from a FY2018 base year. Near-term targets include reducing absolute Scope 1 and 2 GHG emissions by 60% by FY2030 from a FY2018 base year. Additionally, AECOM commits to reducing absolute Scope 3 GHG emissions from purchased goods & services, capital goods, and business travel by 50% by FY2030 from a FY2018 base year. Long-term targets aim for a 90% reduction in absolute Scope 1 and 2 GHG emissions by FY2040, and a 90% reduction in absolute Scope 3 GHG emissions from purchased goods and services, capital goods, and business travel by FY2040, both from a FY2018 base year. AECOM was the first company in the engineering sector to have SBTi-approved emission reduction targets and is a signatory to The Climate Pledge since April 2021.