Earth Hour helps in many ways it saves energy also when you do Earth Hour you realize what you are actually doing to the earth.
The Earth rotates 14.9590452 degrees per hour.
There were about 135 countries that took part in Earth hour.
Because they feel like it...
Because People want to save energy
15
15.
4616 cities
8,760 Earth hours in one year.
24 hours and 1 day on earth
The first Earth Hour took place in Sydney, Australia. The second Earth Hour took place in New York City, in the USA. There are as many as 38 countries participating today.
6,316 people die each hour