The Greens were on a high – until they weren’t. This election left the minor party almost entirely wiped out in the House of Representatives and without its leader Adam Bandt. Before a vote on who will take the party forward, the former Greens leader Richard Di Natale speaks to Nour Haydar on what lessons can be learned from the election result and where to now for the minor party You can support the Guardian at theguardian.com/fullstorysupport