I listened to a PODcast of yesterday's LifeMatters discussion on ABC radio where Richard Aedy was asking the question whether gestures like Earth Hour can make a difference.Earth hour was started in Sydney in 2007 by WWF and there was so much enthusiasm for the idea that it went global the following year. This year the support was even greater and many captial cities worldwide joined in.
The experts felt that gestures like Earth Hour can only make a difference if the politicians are actually listening and realise how many people are concerned enough to do something about it. Generally, there was a feeling of skepticism among the participants so I did some research for myself on the issue.
One of the common threads in the discussions I read seemed to imply that the unused excess power gets grounded anyway and doesn't make a difference but this was refuted by an electricity generation technician. He said that generating systems are very responsive and can be adjusted according to demand, so it does make a difference when a lot of people switch off their lights.
Well done to the WWF for this initiative. It has given individuals an opportunity to make a positive statement about their concern for the environment. I'm going to put some thought into how I'll personally respond to the Earth hour project in 2010.
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