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Client Solutions


Concerned about cost-effectively reducing greenhouse gas emissions? We’re here to support your net-zero journey.


Lead Contacts

Here's How

We’re fighting climate change by approaching decarbonization from every angle. From energy generation, storage and use to built-environment design and operation, we know the most effective, cost-efficient ways to cut carbon emissions – every step of the way.

Decarbonizing the energy industry

We’re helping decarbonize the power sector and heavy industry in every way: Minimizing risk for carbon capture and storage technologies. Evaluating and mitigating the risks associated with onshore and offshore energy facilities. Supporting clean-energy technologies like wind, solar, hydrogen, geothermal and nuclear power. Advancing technologies for better, more efficient energy storage. Electrifying transportation systems. And more.

Our scientists, engineers and software developers work with you to develop unique technologies and solutions that are enabling a transition to clean energy.


Decarbonizing The Built Environment

We’re serious about building a cleaner, healthier built environment. How? By measuring, tracking and eliminating embodied and operational carbon in everything from individual buildings to entire neighborhoods. By creative use of low- or no-carbon materials, like mass timber. By developing and sharing technological tools, like Beacon, that help architects and engineers design more sustainable buildings. By designing durable structures that minimize embodied carbon. And by supporting building renovation, rehabilitation and adaptive reuse to curb emissions from demolition and replacement.



Our commitment to cutting carbon starts at home. Our corporate responsibility department is dedicated to reducing the operational carbon of our business, with the goal of carbon neutrality by 2030. We were the first primarily structural engineering firm to join the American Institute of Architects 2030 Commitment. We were an early adopter of the Architecture 2030 Challenge, which targets carbon neutrality in all new buildings and renovations by 2030. And we're a platinum sponsor of the Carbon Leadership Forum and an inaugural member of the SE 2050 Commitment, a program that calls on structural engineers to achieve net-zero embodied carbon in their projects by 2050. 

News & Resources

Media Mention

Assystem Wins Two Contracts For New STEP Fusion Plant
November 04, 2021
Assystem and their partners, Thornton Tomasetti, will work with STEP’s research team to develop software capable of undertaking simulations to help define breeder blanket designs that can produce enough tritium to advance the project to the next phase of simulation and testing, moving us closer to achieving commercially viable fusion energy.


2019 Research & Development Showcase: Beacon
July 27, 2020
Beacon offers a quickly downloadable and installable way to calculate the embodied carbon in a Revit model – and break down the embodied carbon of materials by building element.