Like any event its size, the Super Bowl requires a huge amount of power. But with LED lights, energy-efficient stadiums, and renewables, the National Football League is trying to rein in its carbon footprint.
Reports say singer MIssy Elliott will be joining performers Katy Perry and Lenny Kravitz during the show. The 2015 Super Bowl will take place on Feb. 1.
The NFL has used Roman numerals since Super Bowl V. Why has this seemingly archaic tradition lasted?