City to douse lights Saturday for Earth Hour

Cambridge will turn off all nonessential lights in municipal buildings for one hour Saturday, starting at 8:30 p.m., in support of Earth Hour.

Turning out the lights for Earth Hour is intended to serve as a call for action on climate change and to symbolize a positive impact can be made by working together.

The city will turn out non-essential lights for one hour, and residents are encouraged to do the same Saturday at 8:30 p.m.

This year is the third year of the Earth Hour event which attracted more than 80 million participants in the U.S. last year, and nearly a billion people around the world, as lights dimmed on such global icons as the Eiffel Tower in Paris, Sydney’s Opera House, the Great Pyramids of Giza and New York’s Empire State Building.