Patrick Harvie warns of Green infighting and far right threat / Patrick Harvie hits out at Greens 'factionalism and toxicity' amid 'anonymous leaks' / Patrick Harvie: I'd have quit as Green leader sooner if Nicola Sturgeon hadn't called / Patrick Harvie: Whoever succeeds me must continue building on our record results / How Patrick Harvie helped the Scottish Greens become a serious political force / Who could replace Patrick Harvie as Scottish Greens co-leader? / Patrick Harvie to stand down as co-leader of Scottish Greens / Patrick Harvie to step down as Scottish Greens co-leader after almost 17 years / Patrick Harvie to stand down as Scottish Greens co-leader / Patrick Harvie is to blame for a disastrous energy law -- that has now been scrapped