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Earth Hour this Saturday (March 29)
March 27, 2008
6:10 pm
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Hi all,

Lights (and computers!) off for one hour this Saturday. How much difference would it make in your city or town?

You may already know about this... if so, this is a reminder. If not... read on! (more info at http://www.earthhour.org)

yours by candlelight, kroika

About Earth Hour

On March 31 2007, for one hour, Sydney (Australia) made a powerful statement about the greatest contributor to global warming – coal-fired electricity – by turning off its lights. Over 2.2 million Sydney residents and over 2,100 businesses switched off, leading to a 10.2% energy reduction across the city (about equivalent to taking 48,000 cars off the road for one hour.)

What began as one city taking a stand against global warming caught the attention of the world.

In 2008, 24 global cities will participate in Earth Hour at 8pm (local time) on Saturday, March 29.
Earth Hour is the highlight of a major campaign to encourage businesses, communities and individuals to take the simple steps needed to cut their emissions on an ongoing basis. It is about simple changes that will collectively make a difference – from businesses turning off their lights when their offices are empty, to households turning off appliances rather than leaving them on standby.

It started with a question: How can we inspire people to take action on climate change?

The answer: Ask the people of Sydney to turn off their lights for one hour.

On 31 March 2007, 2.2 million people and 2100 Sydney businesses turned off their lights for one hour - Earth Hour. If the greenhouse reduction achieved in the Sydney CBD during Earth Hour was sustained for a year, it would be equivalent to taking 48,616 cars off the road for a year.

With Sydney icons like the Harbour Bridge and Opera House turning their lights off, and unique events such as weddings by candlelight, the world took notice. Inspired by the collective effort of millions of Sydneysiders, many major global cities are joining Earth Hour in 2008, turning a symbolic event into a global movement.

March 28, 2008
9:24 pm
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Tiger Trainer
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I'll be there. I mean I won't be here. I mean. My lights, computer etc will be off. I'll spread this ms. to my friends at work.

March 29, 2008
12:03 am
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Anonymous
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Just curious, what happens when all the lights off go back on? Does anyone know to what magnitude this is safe?

March 29, 2008
5:24 pm
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Hi TT and sini,

Glad you're onboard, TT. If you google "Earth Hour" you'll find more articles about it. Sini, that's an interesting question about whether there will be a huge power surge and how it might affect the grid.

Reminds me of reading a few years ago that in England there was a huge drain on the system after an episode of Coronation Street that had a particularly large viewership; when it was over, everyone plugged in their tea-kettles at the same moment practically!

I think that as long as the electricity providers are aware of the event (and they are) they will plan in advance for the drain on the system when people turn things back on. In a way I suppose it would be similar to when the lights come back on after a blackout, except in that case, everything comes back on all at once, including fridges and freezers and things that use lots more electricity than lights.

Also, in this case, things may not all go back on at the same moment. If you've turned off all the lights in your house, it would take awhile to walk around and turn them all back on. And you might even leave some of them off. And so on....

I guess we'll see what happens, eh? Five and a half hours to go, in my time zone.

March 30, 2008
3:58 pm
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Codi202
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Out power company has a budget power plan that turns your power on and off periodically.

I remember reading that some fast food place saved hundreds of thousands annually by not adding one pickle slice to the individual burger.

It adds up when it is in large numbers.

We used to actually turn off an appliance, now they stay on with the timers and lights that are still really on.
It made a difference for me to just flick a power cord and turn off all those lights and timers, since I am not really using them and those I did use periodically, I just reset when needed.

The old fashioned way.

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