The main campus is located in Richardson, Texas next to Dallas's Telecom Corridor, 18 miles (29 km) north of downtown Dallas, on the boundary of Dallas and Collin counties. UT Dallas owns land in Richardson, Texas consisting of approximately 465 acres (1.88 km2) for campus development and another 265 acres (1.07 km2) adjacent to the campus.[8] The Princeton Review's Guide to 332 Green Colleges: 2014 Edition recognized UTD for their green campus efforts.[141]