U.S. Green Building Council (USGBC)s vision for using LEED internationally includes Calculator S allowing more stringent credit requirements for countries outside of the U.S. so that all projects can achieve LEED 74 75 76 B creating multiple LEED rating systems for different countries modifying U.S. reference standards, such as ASHRAE 90.1, to be more appropriate for regions outside the U.S. 78 79 80 81 82 83 D providing opportunities for alternative compliance paths that meet the unique needs of a particular region