The fuel crisis shows the energy future has arrived. All Barnaby Joyce and One Nation have to offer is bluster | Adam Morton

It’s worth comparing the One Nation MP’s views with those of an expert – the executive director of the International Energy Agency Sign up for climate and environment editor Adam Morton’s free Clear Air newsletter here Barnaby Joyce is not what most people would describe as a reliable commentator on the climate crisis, though he can sometimes be memorable on a microphone. In 2009, the then National party senator said, without evidence, that Labor’s doomed carbon pricing scheme would inflate the cost of a lamb roast to more than $100. It wasn’t true, but the claim reverberated through the political debate as a weapon and a punchline. He later supported renewable energy developments in his electorate while deputy prime minister, but criticised them when on the backbench. In recent interviews – conducted in his new role as a figurehead for Pauline Hanson’s One Nation – Joyce has offered generalisations and bluster, ridiculing the idea that anything should or could be done about global heating. He claims that climate policies have been “devastating for the country and for energy security [and] the cost of living”, that the climate change minister, Chris Bowen, thinks he is going to “ch