How can we achieve a more sustainable aviation industry and what role will disruptive technology have to play? Alex Preston interviews Paul Stein, Chief Technical Officer of Rolls-Royce, whilst Karen Walker asks Michael Gill, Director of Environment at IATA, Anko van der Werff, CEO of Avianca, Carlo Elia from the European Space Agency and Sylvie Sureda-Perez from Inmarsat Aviation their thoughts on sustainable aviation.