I'm not sure how many of you have heard of Earth Hour, but it's in interesting idea that started in Sydney Australia in 2007. The project's target was to reduce energy use by 5%. The project succeeded in reaching its goal, and exceeded it greatly. They saved over 10% energy, double their goal! Earth Hour's purpose is to inspire people to take action on climate change. The aim of the campaign is to express that individual action on a mass scale can help change our planet for the better. They asked people in Sydney Australia to turn their lights off for one hour, from 8pm-9pm. Their website states "On 31 March 2007, 2.2 million people an