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The San Francisco Citizen » Blog Archive » Earth Hour Comes to San Francisco - Lights Out for One Hour.
After last night’s Earth Hour of partial darkness from 8:00-9:00 PM, the lights on the “architectural necklace” of the western span of the San Francisco-Oakland Bay Bridge came back to life on the north side first. (Unfortunately, didn’t get a look at the troubled eastern span last night - it was probably darkened also.)
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The lights on the suspension cables of the western span of one of the busiest bridges in the world are just for decoration, not for navigation safety or whatever. Pretty. They sure make a big difference to the look of San Francisco at night when they are turned off.
Question: Turning off these decorative lights for an hour saves enough electricity to power Al Gore’s house (his actual house, not his San Francisco condo in SOMA that’s visible on the right) for how many minutes?
Answer: About 13 minutes. Let’s work on that math, after the jump.