Why We Need Embodied Carbon Benchmarks and Targets in Building Standards and Policies: An Open Letter Why We Need Embodied Carbon Benchmarks and Targets in Building Standards and Policies: An Open Letter Architect Kelly Alvarez Doran led a master's studio on what it would take to cut the embodied carbon of Toronto's MURBs in half. Here's what they found. By To Canadian Municipalities and Associations of Architects, Engineers, and Planners: Canada, as well as a growing number of its jurisdictions, has set necessarily ambitious carbon reduction targets as part of an increasingly urgent global ...