Guardian: The Australian government has shelved plans for an ambitious carbon trading scheme that was the cornerstone of a pledge to reduce the country’s greenhouse gas emissions by up to a quarter by 2020. Kevin Rudd, Australian prime minister, said the start of the scheme would be delayed to 2013 because of parliamentary opposition and slow progress on a new global climate change pact. Rudd said the government would wait until the first phase of the Kyoto protocol expires in 2012 …