From numbers standpoint, the harm done to the planet is quite surprising.
Go dark to go green — that’s what city buildings all around the world did for one hour Saturday.
Earth Hour is 8:30 to 9:30 Saturday night — and there will be a number of local efforts.
At 8:30 p.m. Saturday, many cities and towns around the globe will be observing Earth Hour. It was created by the World Wildlife Fund to raise awareness about climate change.
Earth Hour is one hour out of the year where people turn off all their electricity.