Sydney Morning Herald: EARTH HOUR, the campaign that encouraged people to turn off their lights for an hour to raise awareness about climate change, has won a national environmental award. The venture of conservation group WWF, Fairfax Media, publisher of The Sun-Herald, and Leo Burnett for the City of Sydney won the gold Banksia Award at a ceremony in Melbourne on Friday night. Deputy Prime Minister Julia Gillard and Environment Minister Peter Garrett were among guests at the awards, which recognise …