The number 60 is for the 60 minutes of Earth Hour, and the plus invites people to keep on taking action even after Earth Hour is finished. In fact, people who join in Earth Hour say that taking part makes them want to do more for the environment. The climate activist Greta Thunberg says that ‘Earth Hour is every hour of every day.’
What else do people do, apart from switching off the lights?
There are a lot of events that people can join. There are concerts performed with acoustic instruments instead of electric ones, and using candles instead of electric light.
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