As Liz Truss takes charge, and presumably introduces a freeze or revised cap on energy prices, in order to protect millions of people who would otherwise be unable to keep warm this winter, numerous questions arise. How will her scheme work? How will it be paid for and by whom? How will energy suppliers be…

There have been several news headlines in recent weeks about the Big Oil scandal – how, 30 years ago, the oil industry began a campaign of misinformation about climate change. There have even been calls for the ringleaders to face lengthy prison sentences. Yet today, while we fume about that, an equally serious but relatively…