Lights Go Out Saturday During Earth Hour

The annual Earth Hour, during which people across the world are encouraged to shut their lights off for one hour, will happen from 8:30 p.m. - 9:30 p.m. on Saturday.

Earth Hour was started in 2007 by the World Wildlife Foundation and is meant to raise awareness about climate change.

Held every year on the last Saturday of March, Earth Hour engages supporters in more than 190 countries and territories, all taking action to ensure a brighter future for people and the planet.

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