Organisers of The Big Zero Show plan to grow the one-day event to three days in the next five years. The event, which supports businesses and organisations on their path to net zero, is set to return to Coventry Building Society Arena for its second edition on 20 June. Organisers are expecting to attract more than double the number of attendees as businesses heighten their focus on sustainability initiatives. The event, organised by Future Net Zero, in partnership with Co...