Unfortunately I didn't hear about this until this morning or I would have blogged it sooner...

At any rate, this is kind of cool. The idea behind Earth Hour is that cities, organizations, towns, individuals, etc... turn out your lights (and all electrical appliances I reckon) for one hour.

I'm going to do it.

Here's the link:
http://www.earthhour.org

From their FAQ:

What is Earth Hour?

Earth Hour, run by WWF, the conservation organisation, is a global climate change initiative which calls on individuals and businesses around the world, to turn off their lights for one hour on Saturday March 29 2008 between 8 pm and 9pm.

The aim of the campaign is to express that individual action on a mass scale can help change our planet for the better.

The event itself will clearly demonstrate in participating cities, the connection between energy usage and climate change, showing that we as broader community can address the biggest threat our planet has ever faced.