Perhaps the biggest Green wave in the 2026 local elections was in the London borough of Hackney. And ahead of two local by-elections on 25 June, Greens are hoping to keep that momentum going. Ahead of May’s elections in Hackney, collaboration between Greens and local independent socialists built a cooperative spirit from early on. And Heather Mendick from the Hackney Independent Socialist Collective (HISC) told the Canary about why she remains hopeful about where things are going. Hackey Greens connected with local working classes Hackney Greens ran a strong campaign in May which saw a massive swing away from Labour. Zoë…