As the world moves towards a greener future, Treasurer Josh Frydenberg warns that Australia risks being left behind.
Mr Frydenberg says households and businesses could shoulder the financial burden if foreign investors turn away.
The Treasurer appears to be laying the groundwork to commit to net zero carbon emissions by 2050.
And Prime Minister Scott Morrison has notably softened his language on climate issues in recent times, as international pressure mounts.
A major stumbling block has been the National Party, with internal divisions within the junior coalition party halting policy progress.
Labor's Climate Change spokesman Chris Bowen says Australia is lagging behind the rest of the world.
The Prime Minister has flagged he'll update Australia's climate targets before the United Nations Climate Conference ((COP26)) in November, but that deadline is drawing near.