Massachusetts tops the ranking of last year's “top 10 states for green building,” followed by Illinois and New York, according to the U.S. Green Building Council, which developed the popular LEED green-building certification system. At the other end of the spectrum, Wyoming had no LEED-certified projects in 2022, according to USGBC. West Virginia had just one. Oklahoma, North Dakota and Montana round out the bottom five.
The rankings, released by USGBC Jan. 17, are based on LEED-certified gross square footage per capita over the year. If based on total square footage of LEED certified projects, California would top the .