Overview

• Polanski defeated MPs Adrian Ramsay and Ellie Chowns by 20,411 votes to 3,705 in a contest with roughly 37% turnout from about 68,500 members.
• He vows an 'eco‑populist' push pairing combative communications with policies such as a wealth tax on billionaires and renationalising water companies.
• Positioning the Greens to challenge Labour and counter Reform UK, he warned, "we're here to replace you," and attacked Nigel Farage's style as empty but effective.
• Polanski has kept the door open to cooperation with Jeremy Corbyn and Zarah Sultana's nascent party, saying any arrangement would be decided by Green members after talks.
• Immediate tests include converting a swelling membership into votes, managing accusations of entryism, and leading the party from outside Parliament as a London Assembly member.