Australian Financial Review: Australia needs to overhaul its climate change policies regardless of the size of the post-2020 greenhouse gas reduction targets announced by the Abbott government later this month, according to a leading energy researcher. While the Climate Change Authority has called for Australia to adopt greenhouse gas reduction targets of 30 per cent by 2025 ahead of international talks in Paris later this year, Grattan Institute energy program director Tony Wood said the CCA numbers would be considered too...