Question

What is an earth hour? Explain the need of it in today's scenario.

Answer 1

Earth Hour is a worldwide movement organized by the World Wide Fund for Nature (WWF). The event is held annually encouraging individuals, communities, and businesses to turn off non-essential electric lights for one hour, from 8:30 to 9:30 p.m. on a specific day towards the end of March, as a symbol of commitment to the planet.It was started as a lights-off event in Sydney, Australia, in 2007. Since then, it has grown to engage more than 7,000 cities and towns across 172 countries.
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Answer 2

Earth Hour is a reminder that the planet, which is home to over seven billion people, is facing serious challenges due to climate change. Tonight is the 10th anniversary of the WWF's Earth Hour.