Earth hour

Barcelona’s amazing smart lightning idea

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 entire world. Indeed, how many […]

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Pictures of Earth Hour: how we waste energy

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. Instead of turning down all

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