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California Becomes the First State to Mandate Green Building Legislation

California unanimously approved its Green Building Standards Code dubbed “CalGreen,” making it the first state to enact a mandatory green building law.  Effective January 1, 2011, Calgreen requires that every new building reduce water consumption by 20 percent, divert 50 percent of construction waste from landfills, and install low pollutant-emitting materials and water saving plumbing fixtures.