It's the 6th Earth Hour this year.
Earth Hour is an annual event organized by WWF (World Wide Fund for Nature) on the last Saturday of March. It is originated from Australia where WWF and The Sydney Morning Herald held it for the first time in Sydney in 2007. In that first Earth Hour, 2.2 million residents of Sydney participated to switch off all the light which is not necessary. Last year, approximately 1.8 billion people (around 25% of global population) are participating this event.
It started in city, it's now participated more than hundred countries.
2007: 1 city
2008: 35 countries
2009: 88 countries
2010: 126 countries
2011: 135 countries
So, are you supporting the Earth Hour this year?
Don't forget, we shouldn't just simply support this event. We should know the purpose of this event, to save energy and to protect our earth.
Let us save energy from day to day!
If we save the energy, we can save the world!