Lights go out at Empire State Building for Earth Hour on Saturday night

Lights go out at Empire State Building for Earth Hour on Saturday night

One of New York City's most iconic buildings will go dark Saturday night as part of the 15th annual Earth Hour. The Empire State Building is one of many global landmarks that will turn its lights off from 8:30-9:30 p.m. Earth Hour is hailed as a symbol of unity and hope to increase awareness and conversations about protecting nature and fighting climate change.