Earth hour


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The city of Barcelona and Spanish utility Endesa have been installing smart LED lightning systems that automatically switch themselves off when no one is around. This enables the city to cut by 30 percent its electricity consumption. I really would like this idea to spread across Europe and even the […]

Barcelona’s amazing smart lightning idea


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Earth Hour was a tremendous success as many people participated. Cities turned down the lights of  their monuments and the pictures of the event are amazing and totally illustrate how much energy and money we could save. The Boston Globe proposed a series of 17  great pictures illustrating the phenomenon. […]

Pictures of Earth Hour: how we waste energy


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Tonight at 8.30 pm local time it will be Earth Hour. This event launched by the WWF is promoting awareness on global warming. Many cities and companies all around the world will participate. Last year no less than 50 million people switched their lights off for the occasion. This year, […]

Tonight is Earth Hour