The ongoing conflict involving Iran has created a dual crisis of nuclear escalation and climate disruption, according to Chris Barrie, a former chief of the Royal Australian Navy. He warns that the war has led to a significant global energy challenge, with rising oil prices threatening economic stability in the Indo-Pacific region. Barrie highlights the urgent need for Australia to conduct a nuclear escalation risk assessment to understand the implications for national and regional security. He calls for Australia to use its diplomatic influence to counsel restraint and to clearly state its refusal to support any nuclear actions. The potential withdrawal of Iran from the Non-Proliferation Treaty (NPT) could have historic consequences, necessitating a concerted effort to bring Iran back into the non-proliferation framework. Barrie stresses that both climate change and nuclear threats are intertwined and require immediate government action to avert catastrophic outcomes.