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Toronto's Lights Are Turning Greener: "Toronto's Lights Are Turning Greener
The world's tallest freestanding structure, Toronto's CN Tower, is now more eco-friendly. Its illumination comes from light-emitting diodes (LEDs), which turn electricity directly into light, cutting energy use by 60% from the tower's previous lights. This is just one part of a plan Toronto announced on July 11 to install LEDs all across the city, from parking garages to parks, to save energy and reduce carbon emissions. To fight climate change, 'cities have to lead by example,' says Mayor David Miller."
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