The Iran war has heightened the nuclear and climate threat. Australia must help the world step back from the brink | Chris Barrie

As a regional power and signatory to the non-proliferation treaty, Australia has responsibilities.

I am calling on the government to take four steps

The war on Iran, which may still be a long way from over, has triggered an energy challenge that highlights the world’s collective failure to face the looming threat of climate disruption.

But in a most frightening way, the use of nuclear war has also been explicit and immediate.

This moment now condenses two existential threats – climate disruption and the threat of nuclear war – into one crisis, and one that will remain long after this war subsides.