Flanked by legislative leaders, Gov. Jerry Brown said new measures approved on Wednesday would be a milestone for the state’s climate change policies. “This is a real commitment backed up by real power,” he said during a Capitol news conference. Brown and top lawmakers spoke with reporters shortly after the Legislature gave their final stamp of approval to the two bills, a stark change in fortune after they appeared to lack the necessary support earlier this month. The governor has said he plans to sign the bills.