The newly elected leader of the Green Party in England and Wales, Zack Polanski, has signalled he would require "very strong arguments" before agreeing any electoral pact with Jeremy Corbyn's planned new party. Polanski, who secured 85% of member votes in a decisive victory, argued there is sufficient space on the left of British politics for both parties to thrive.
Speaking after the result, Polanski said it was too early to discuss potential cooperation, noting he was unsure of Corbyn and Zarah Sultana's platform. He emphasised that the Greens' programme would likely be more radical and that any formal pact would need compelling justification. A more probable outcome, he suggested, would be informal coordination over target seats.
Polanski rejected the notion of a crowded left, pointing to Labour leader Keir Starmer's failure to condemn Nigel Farage's rhetoric on immigration. "I don't believe that the left of politics is actually a contested field," he said, adding that more voices making humanitarian arguments would be beneficial.
In his victory speech, Polanski promised an ambitious target of over 30 Green MPs at the next election, urging voters to join the party. He described himself as an "eco-populist" and vowed to emulate Nigel Farage's media tactics to challenge both Reform UK and Labour.
Jeremy Corbyn congratulated Polanski on X, expressing a desire to work together. Meanwhile, Labour chair Ellie Reeves challenged Polanski to clarify his stance on Nato, after he suggested the alliance was unviable under a Trump-led US. Polanski clarified he did not advocate immediate withdrawal but favoured a long-term transition to a European defence alternative.
