All-Energy, the UK’s largest renewable and low carbon energy and clean growth exhibition and conference, has confirmed that it is to return to Glasgow for a fifth consecutive year in May 2019. The event has so far boosted Glasgow’s economy by £19.2m, with next year’s conference expected to contribute a further £4.7m. The conference has been held annually since 2001, relocating from Aberdeen to Glasgow in 2015. This resulted in attendee numbers increasing by 20 per cent w...