David had an interesting post on Friday about his participation in Sydney's Earth Hour. The Earth Hour idea is pretty interesting: Sydney households and businesses were urged to turn their lights out for an hour on Saturday night to demonstrate commitment to reducing greenhouse emissions. Although it saved power on the night, the event was probably more significant as a high profile way of promoting an environmental cause -- even to people who chose not to participate.
It's interesting that the event has received a huge amount of publicity around the world. This morning, Google News was showing more than 400 hits for "earth hour" from the world's media. Here's an example of the international coverage from CNN.
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