Species Extinction and Urban Sprawl The Data Driving Colcom Foundation’s Mission
Numbers alone rarely convey the weight of ecological loss, but Colcom Foundation’s research assembles a set of figures that are difficult to dismiss. Between 1970 and 2020, the United States added more than 54,000 square miles of human-built land cover roads, buildings, parking infrastructure, and related development. By 2020, paved and built surfaces equaled the combined area of Montana, West […]