Sian Berry
Boris Johnson replaced with ice sculpture at climate leaders debate
Conservative Party leader and Brexit Party leader were only two not to attend Climate Leaders Debate last night on Channel 4, where politicians sparred over best way to hit net zero
Channel 4 confirms first ever TV election debate on climate crisis for this Thursday
Broadcaster invites Boris Johnson and Nigel Farage to join leaders from Labour, Lib Dems, Green Party and the SNP in head-to-head debate
Jonathan Bartley and Sian Berry named as new Green Party co-leaders
Councillor Bartley will continue at the helm for a further two years, alongside London Assembly member Sian Berry