It’s obvious that we need to take action to slow down climate change, but given such a daunting task – it’s only saving the entire world... – where does one even start? The Climate Change Committee might have some of the answers. It reckons Britain can get to net zero emissions of greenhouse gases by 2050. So what needs to be done? In the Spectator’s latest policy podcast, Fraser Nelson gets to the bottom of these questions with Chris Stark, chief exec at the CCC, Laura Sandys, former Tory MP and Co-chair of the IPPR Environment and Justice Commission, and Jo Coleman, Energy Transitions Manager at Shell.

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