Tetra Tech, Inc., a leading provider of consulting, engineering, and technical services, is headquartered in the United States, with significant operations across North America, Europe, and Asia-Pacific. Founded in 1966, Tetra Tech has established itself as a key player in the environmental and engineering sectors, focusing on water, infrastructure, and energy solutions.
The company is renowned for its innovative approach to complex projects, offering a unique blend of expertise in sustainable practices and advanced technologies. Tetra Tech's commitment to delivering high-quality services has earned it a strong market position, recognised for its achievements in environmental management and engineering excellence. With a diverse portfolio of core services, Tetra Tech continues to drive progress in addressing global challenges, making it a trusted partner for clients worldwide.
+19 vs industry average
Tetra Tech’s score of 51 is higher than 66% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Industry Intensity
Business Services has below-average carbon intensity
Industry performance
The Business Services industry has increased its overall emissions by 24% since 2019
Emissions trajectory 2020 – 2027
Reported emissions
Scope 3 accounts for ••• of total emissions.
Tetra Tech's reported carbon emissions
In 2024, Tetra Tech reported total greenhouse gas emissions of approximately 76,000,000 kg CO2e, comprising 10,300,350 kg CO2e from Scope 1, 17,729,250 kg CO2e from Scope 2, and 48,049,230 kg CO2e from Scope 3 emissions. This represents a significant increase from 2023, where total emissions were approximately 75,897,140 kg CO2e, with Scope 1 at 12,515,900 kg CO2e, Scope 2 at 22,213,160 kg CO2e, and Scope 3 at 41,168,080 kg CO2e. Tetra Tech has set ambitious climate commitments, aiming for a 50% reduction in absolute Scope 1 and Scope 2 emissions by 2030 from a 2021 baseline. Additionally, the company targets a 50% reduction in absolute Scope 3 emissions within the same timeframe. Furthermore, Tetra Tech commits that 60% of its suppliers by spend covering purchased goods and services will have science-based targets by 2027. The company also aims to achieve net zero emissions by 2050 across all scopes. These targets align with the Science Based Targets initiative (SBTi) and reflect Tetra Tech's commitment to addressing climate change and reducing its carbon footprint in the professional services sector.
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Tetra Tech’s Climate Goals (2030 & 2050)
3 goals2050
50% reduction in all scopes
50% reduction in baseline emissions by 2030 (financial year 2029-2030) Net zero emissions by 2050 (financial year 2049-2050)
2030
62% reduction in total GHG
Vs 2019 baseline. Validated by SBTi. Includes full supply chain.
2040
50% reduction in Scope 3 intensity
Across purchased goods and services and logistics.
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Scope 3 top emissions categories
No scope 3 category breakdown has been disclosed yet.
Climate initiatives

Science Based Targets Initiative

Carbon Disclosure Project
The Climate Pledge
UN Global Compact Climate Champions initiative
RE 100
Climate Action 100
Emissions comparison with industry peers
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Common questions about Tetra Tech’s sustainability data and climate commitments
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