The UK Government has published its net zero strategy, days before the crucial COP26 summit. It’s been praised and criticised, but generally recognised as being an ambitious document, if lacking in some detail. So can the Government re-claim the title of a climate world leader?On this week's episode of Sky News ClimateCast, hosts Anna Jones and Katerina Vittozzi are joined by Sky's new Science and Technology Editor, Tom Clarke, to look at the science behind the UK's ambitions.And what does a net-zero reality look like? They're joined by Fully Charged co-founder Dan Caesar to discuss the practicalities of the heat-pumps and electric cars that the Prime Minister has pledged will transform the UK's emissions over the next few decades.Hosts: Anna Jones and Katerina Vittozzi Podcast Producer: Emma Rae Woodhouse