Sidney first, then Brisbain, Copenhagen, Dublin, Manilla, Chicago, Tel Aviv, Bankok, Vancover, Montreal, Toronto...and about 2100 companies world wide...
Earth Hour is an international event that asks households and businesses to turn off their lights and non-essential electrical appliances for one hour on the evening of 29 March at 8 pm local time until 9 pm to promote electricity conservation and thus lower carbon emissions. [...]
http://en.wikipedia.org/wiki/Earth_Hour
Es vuestra decision
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