E arth Hour is the world's largest grassroots movement for the environment, organized by WWF. This year it will be observed on Saturday, 25th March from 8:30-9:30 PM.
Hundreds of millions of people in countries and territories around the world will show that they care about our planet by switching their lights off at 8.30 PM for an hour.
However, we know that the earth’s environment is changing constantly.
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