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via UPI

March 25 (UPI) — Some of the world’s most recognizable landmarks are going dark Saturday night in observance of Earth hour to raise awareness about global warming.

Landmarks from the Eifel Tower in Paris to the Empire State Building in New York to the Sydney Opera House will shut off their lights from 8:30 to 9:30 p.m. local time on Saturday. Individuals and businesses are encouraged to do the same in order to bring attention to the effect greenhouse gases are having on the planet.

The event is not aimed at demonstrably reducing the amount of carbon dioxide released into the atmosphere – such an effort would require tens of millions of people to shut off lights for much longer than an hour. Instead, it’s meant to make people more conscious of the energy they use and consume during the course of their everyday life, and think about the source of that energy. Often it comes from fossil fuel, the burning of which is believed to be the main driver of greenhouse gases that are causing global warming.

Earth Hour began as an event in Australia promoted by the World Wildlife Fund in 2007. A year later, landmarks around the world began participating and it became a global movement. It has grown to become one of the most visible environmental campaigns in the world. Read More