The Greens talk of a “Polanski effect” – a surge of momentum and visibility since Zack Polanski became leader, as the party gains attention in an increasingly fragmented political landscape. The Guardian’s latest poll tracker – which combines polls over the last 10 days – has the party polling at 13.5%. The cost of living is the top concern for all Green party supporters. New Green supporters also place less importance on climate change (7% listed it as their most important issue) than existing supporters (12%). “Those who didn’t vote Green in 2024 but now intend to place a higher weight on the economy in general.