Is “Earth Hour” meaningful, or just a stupid gimmick?

Ottawa Parliament Hill during Earth Hour 2008 (photo by David R Carroll - CC-BY)Earth Hour is a campaign to get everyone to switch off their lights for one hour. The 2009 Earth Hour runs from 8.30 to 9.30pm in everyone’s local timezone, on Saturday 28 March. But what’s the point? The organizers paint it as “the world’s first global election, between Earth and global warming”. They aim to [more…]

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