Almost 2.8 million lane-miles, or about 4.6 million lane-kilometers, of the United States are paved. Roads and streets form the backbone of our built environment. They take us to work or school, take goods to their destinations, and much more. However, a new study by MIT Concrete Sustainability Hub (CSHub) researchers shows that the annual greenhouse gas (GHG) emissions of all construction materials used in the U.S. pavement network are 11.9 to 13.3 megatons. This is equivalent to the emissions of a gasoline-powered passenger vehicle driving about 30 billion miles…
