From the monuments of Paris – yes, the Eiffel Tower will go dark – to the Sydney Opera House and the Acropolis in Athens, power will be turned off. In Oslo, participants can use bicycles and pedal power to run light bulbs, but those will be the only lights burning in the city center.

It's being touted as a “vote for Earth,” with everyone voting by flipping a light switch. Girlawhirl intends to make her voice heard.

Find out more about Earth Hour events around the globe here.

Shut it down for one hour on March 28^th, 2009 8:30-9:30 pm