The country's most important tool for combatting climate change could be in line for a major overhaul, amid concerns the Emissions Trading Scheme is not doing enough to stop businesses polluting.
The Government is seeking public feedback on four options to better incentivise them to reduce emissions, rather than simply offsetting them by funding tree-planting.
The most radical change - and the one ranked as most effective - is establishing a whole new ETS market.
The Climate Change Minister, James Shaw, spoke to Rowan Quinn.
