This picture taken on November 4, 2021 shows steam rising from cooling towers of the power generating plants in the town of Singleton, some 70km (43 miles) from Newcastle, the world's largest coal exporting port.

Days before arriving in Glasgow, Scotland, for what was billed as a pivotal gathering on global climate initiativesAustralian Prime Minister Scott Morrison announced his country was adopting a target of net zero carbon emissions by 2050

But he added that he would not legislate the goal and instead would rely on consumers and companies to drive reductions in emissions.