21 MARCH 2013
Convert 60 minutes of near-darkness into a permanent shift in household energy use – that's the local goal of Saturday's Earth Hour.
Eight years in, the global movement to urge action on climate change will include Palestinian territories, Tunisia and such far-flung regions as the Galapagos Islands and Suriname for the first time, as organisers look to beat last year's participation in 152 nations or territories and 7001 cites.