One of the world's top climate diplomats has warned Australia must do better than 'bog-standard' as the federal government ponders how far to go with its next climate change target.

The Albanese government is due to outline a new 2035 emissions reductions goal by September, as the Coalition debates scrapping Australia's long-term plan to reach net-zero emissions by 2050.

• Guest: Simon Stiell, Executive Secretary, United Nations Framework Convention on Climate Change
• Producer: Eddy Diamond