The 13th annual Earth Hour was observed Saturday as nearly 200 major landmarks turned off their lights at 8:30 p.m. local time. The event, organized by the World Wildlife Fund, has grown steadily since the first event in 2007 and is now observed by more than 180 countries and territories.
Earth Hour 2019
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The Hungarian parliament building is seen before Earth Hour in Budapest, Hungary, March 30, 2019.
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The Hungarian parliament building is seen during Earth Hour in Budapest, Hungary, March 30, 2019.
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The Angel de la Independencia monument is pictured before lights were turned off for Earth Hour In Mexico City, March 30, 2019.
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The Angel de la Independencia monument is pictured as lights are turned off during Earth Hour In Mexico City, March 30, 2019.