SPRINGFIELD -- Illinois tops the nation in Site Selection magazine's annual ranking of the top locations for sustainable development, released today. The state moves up from the third spot in the 2021 report, which combines standard green metrics such as LEED-certified buildings, renewable energy use and green building incentives with measures such as the areas' corporate social responsibility profiles in order to identify the best locations in the world for sustainable development. Illinois has bested California, Michigan, New York and Minnesota for the top spot in 2021.