Why is Earth Hour popular right now?

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At 8:30pm on Saturday March 28th, join in Earth Hour and switch off your lights for an hour. (as of March 25 at 05:38 UTC)
Category: | Most recent: March 31 at 12:25 UTC | First appearance: March 19 at 09:00 UTC | Last defined: March 25 at 05:38 UTC by @ via Other | Source: Twitter | Permalink
Last verified definition: Lights off! On Saturday, people around the world will turn off their lights for one hour, Earth Hour from 8:30-9:30 p.m. local time, to make a strong statement about energy use and climate change. Earth Hour began in Sydney in 2007, when 2.2 million homes and businesses switched off their lights for one hour. (as of March 27 at 07:40 UTC)

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