News.com.au: ALMOST half of Australians believe the signing of the Kyoto Protocol – a cornerstone of Kevin Rudd’s election campaign – was a waste of time. A whopping 73 per cent of respondents to a news.com.au survey, conducted by CoreData, also said the Rudd Government was not doing enough or could be doing more to combat climate change. Interactive: Live snapshot of the health of the planet Pictures: Climate change – its deadly toll on Earth Mr Rudd’s much-lauded …