Climate change has loomed over every Liberal coup since Tony Abbott seized the opposition leadership from Malcolm Turnbull in 2009.
Facing open warfare over Australia’s net zero by 2050 target, Sussan Ley risks falling victim to the same phenomenon.
The Coalition is locked in a damaging, potentially intractable, crisis as it seeks to crawl out of the hole dug under Scott Morrison and Peter Dutton.
A steady bleed of Liberal MPs from inner-city seats has undermined the moderate flank, and the conservatives are seizing the opportunity.