“On Nov. 19, the five-person Marin County, Calif., board of supervisors unanimously approved the nation’s first low-carbon concrete code that applies to both public and private construction (ENR 11/4-11 p. 24). The Bay Area Low-Carbon Concrete Building Code, which limits embodied carbon content of both plain and reinforced concrete, goes into effect Jan. 1.”
Marin County, Calif., Enacts First Low-Carbon Concrete Code in US