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- Mei
World Silent Day (WSD) is public campaign all over the world to be held on March 21 every year as part of the global movement to reduce the impacts of the climate change to our beloved planet earth.

WSD encourages everyone, in any place in the world to get involved by lessening their activities particularly reducing the use of motorized vehicles and energy and switching off most electronic devices for four hours only during 10.00 – 14.00 on every March 21.
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