The two-party system has defined British politics for centuries, but the status quo is under attack from Nigel Farage’s Reform UK and an insurgent Green party – both looking to clean up in the local elections on 7 May.

This week Aaron Bastani speaks to economist James Meadway about the disruptive new progressive party on the block. Meadway was an economic advisor to John McDonnell during Jeremy Corbyn’s leadership of Labour, and is now chief economist of Verdant, a new think tank set up to craft the Green party’s strategy for 2029.

But who are the Greens? What is their vision for Britain? How can they build a broad coalition of voters, big enough to win elections? And what mistakes can Zack Polanski learn from the Corbyn era?

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