During Earth Hour, participants turn off all non-essential lights to raise awareness about climate change.
Sixteen Las Vegas strip casinos will be participating in Earth Hour, including the Aria, Bellagio, Caesars Palace, Circus Circus, Excalibur, Luxor, Mandalay Bay, MGM Grand Hotel Casino, Mirage, Monte Carlo, New York New York, Palazzo, Vdara, and the Venetian.
Earth hour will take place at 8:30pm.