In Hamburg were, therefore, in the evening, among other things, in the town hall lights. With the “Earth Hour” in place of the environmental protection organization World Wide Fund For Nature (WWF), a sign for the climate and the environment. The darkness is to indicate a waste of resources and that make people Think. Around the globe, the lights went out at different places every evening at 20.30 PM local time for one hour. For the first time, the action was held in 2007 in Sydney. In Germany, wanted to participate in a minimum of 360 cities.
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