A mid-year report by the U.S. Green Building Council says that there have been “30 legislative wins for green building” across 22 states in 2011. The USBC is tracking more than 400 pieces of state legislation nationwide. “Every year, many more bills die than get enacted, but good bills that do not advance should not be considered losses,” the report says. “In many cases, introduced and deliberated green building bills go far to move the ball forward for the green building conversation.”
(https://www.usgbc.org/ShowFile.aspx?DocumentID=10055)

Legislation and regulation in Alaska, California, Idaho, Maryland, Michigan, Nebraska, North Carolina, Ohio, Oregon, Tennessee, Texas, Vermont, Virginia, Washington and Wisconsin facilitated the advancement of improved mandatory sustainability minimums through building codes.