WWF Earth Hour, lights out for the planet - Energia & Energie. Yesterday, at 8.30pm, millions of people around the world gathered for the eighteenth year of Earth Hour.

Approximately one and a half million hours have been donated to our planet by citizens in over 180 countries and territories. Lights also turned off at the Colosseum in Rome. With the message "+Azioni -Co2: Let's give a future to our future!"