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 pm on a specific day towards the end of March, as a symbol of commitment to the planet.
It 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 187 countries and territories to raise awareness for energy consumption and effects on the environment.
Milad Tower, also known as the Tehran Tower, is a multi-purpose tower in Tehran, Iran. It is the sixth-tallest tower and the 24th-tallest freestanding structure in the world.
It is standing at 435 meters from the base to the tip of the antenna.
The World Wide Fund for Nature is an international non-governmental organization founded in 1961, working in the field of the wilderness preservation, and the reduction of human impact on the environment.
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