Australian Broadcasting Corporation: LISA MILLAR: A group of climate scientists has told a parliamentary inquiry that the Government’s planned climate change policies aren’t sufficient enough to stop dangerous warming. The group says a cut of 30 per cent by 2020 and not 5 to 15 as the Federal Government is planning is the “bare minimum required” to avoid dangerous climate change. Yet two other scientists have told the inquiry there is no evidence to suggest that global warming is caused by human activity and that …