SYDNEY, Australia — After years of casting doubt on climate change and attacking politicians who favored corrective action, Rupert Murdoch’s media outlets in his native Australia are planning an editorial campaign next month advocating a carbon-neutral future.Depending on its content, the project, described by executives at Mr. Murdoch’s News Corp on Monday, could be a breakthrough that provides political cover for Australia’s conservative government to end its refusal to set ambitious emission targets. If sustained, it could also put pressure on Fox News and other Murdoch-owned outlets in the United States and Britain that have been hostile …
