New York City

WATCH: Empire State Building Dims for Earth Hour

Earth Hour began in Syndey in 2007 and spread worldwide

The lights of the Empire State Building went dim Saturday for Earth Hour. 

New York City's iconic skyscraper went dark from 8:30 p.m. to 9:30 p.m. to bring attention to climate change. 

Landmarks across the globe, including the Eiffel Tower and the Acropolis, are dimmed at 8:30 p.m. local time. 

Earth Hour began in Syndey in 2007 and spread worldwide under WWF. 

This year, people are also encouraged to "go dark" on their Facebook page

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