Mike is joined by Ian Plimer, Emeritus Professor of Earth Sciences at the University of Melbourne who rejects the scientific consensus on climate change.

<p>Mike is joined by Ian Plimer, Emeritus Professor of Earth Sciences at the University of Melbourne who rejects the scientific consensus on climate change.</p>

Australia Overnight is broadcast from 12am-6am on Saturday and Sunday on 2GB, 3AW and 4BC, and 12am-3am on 6PR.

<p>Australia Overnight is broadcast from 12am-6am on Saturday and Sunday on 2GB, 3AW and 4BC, and 12am-3am on 6PR.</p>