AECOM supports low-carbon, climate-resilient redevelopment in Montréal using One Click LCA

AECOM used One Click LCA within its ScopeX workflow to test early design options for Montréal’s corridor redevelopment and quantify carbon impacts.

Rhea-AI Summary

AECOM (ACM) is supporting the City of Montréal’s redevelopment of a major transportation corridor and surrounding district into a low-carbon, climate-resilient neighborhood by providing whole-life carbon insights at the pre-design stage.

The company used One Click LCA’s Carbon Designer 3D, integrated into its ScopeX™ decarbonization workflow, to estimate material quantities from early models, rapidly test design scenarios, and model life cycle greenhouse gas emissions across production, construction, use, and end-of-life phases. Scenario modeling showed that design choices such as roadway width and overpass structural configuration can produce meaningful carbon reductions. A video case study with full project details is available through One Click LCA.

Key Terms

whole-life carbon, life cycle greenhouse gas emissions

2 terms

whole-life carbon technical

"AECOM was tasked with providing whole-life carbon insights"

Whole-life carbon measures the total greenhouse gas emissions tied to an asset, product, or infrastructure across its entire existence — from raw material extraction and manufacturing, through construction and everyday use, to maintenance and final disposal or recycling. It combines upfront “embodied” emissions and ongoing operational emissions, giving a single number that shows the full climate impact like a lifetime carbon footprint. Investors use it to assess regulatory, cost and reputational risks tied to long-term emissions.

life cycle greenhouse gas emissions technical

"we modeled life cycle greenhouse gas emissions for major components"

Total greenhouse gas emissions associated with a product, service, project, or asset over its whole life span, typically expressed as carbon dioxide equivalent (CO2e). That includes emissions from raw material extraction, manufacturing, transport, use, and disposal (commonly called cradle-to-grave) and is used to compare and quantify the full climate footprint; investors use it to gauge regulatory, reputational, and transition risks tied to carbon intensity.

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Early design insights from One Click LCA helped AECOM show lower-carbon options before detailed plans were ready.

MONTREAL, Sept. 22, 2026 /PRNewswire/ -- The City of Montréal launched a project to redevelop a major transportation corridor and surrounding district with a clear vision: create a low carbon, climate-resilient neighborhood. The City needed to compare early design concepts before detailed designs were available. AECOM was tasked with providing whole-life carbon insights to support climate-aligned decisions, and used One Click LCA's Carbon Designer 3D to estimate material quantities from early models, rapidly test scenarios, and assess impact in one streamlined workflow.

"One Click LCA played a pivotal role in this project by providing insights early in the process."  -J. Lagneau, AECOM

"One Click LCA played a pivotal role in this project by providing actionable insights early in the design process. Using Carbon Designer 3D alongside other tools, we modeled life cycle greenhouse gas emissions for major components across the production, construction, use, and end-of-life phases."
-Jérémy Lagneau, ESG and Decarbonization Advisor, AECOM

When the project was in the pre-design phase, AECOM integrated One Click LCA directly into its ScopeX™ decarbonization workflow. Scenario modeling showed that subtle design decisions, like adjusting roadway width or optimizing overpass structural configuration, yielded meaningful carbon reductions.

All project details are included in One Click LCA's new video case study, accessible here.

About One Click LCA
One Click LCA is the world's largest life cycle assessment (LCA) platform, delivering impact, compliance, and growth in +170 countries. It brings together the in-depth modelling capabilities of SimaPro with the ease-of-use and scalability of One Click LCA. The platform includes the most comprehensive global LCA database, with +500,000 datasets, and serves customers across manufacturing, construction, infrastructure, chemicals, and consumer goods supply chains, among others. One Click LCA is committed to powering one-million makers of a zero-carbon future by 2035 for an impact at a planetary scale. Learn more at: oneclicklca.com

About AECOM
AECOM (NYSE: ACM) is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients' complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. oneclicklca.com

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SOURCE One Click LCA