KRQE News 13 | Global landmarks go dark for Earth Hour USA TODAY At 8:30 p.m. Saturday, people and public places across the globe will switch off their lights for one hour to raise awareness about the impact of energy use on climate change. Families and organizations are encouraged to turn off the lights and other ... Eiffel Tower goes dark for global Earth Hour Earth Hour 2015: Millions To Switch Off Lights For Global Annual Event Earth hour to raise awareness for global conservation |
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