The effect that aviation has on the environment is one of the biggest challenges that our sector faces in the twenty-first century. In his 2006 Wilbur & Orville Wright Lecture, John Green takes us through the different technical approaches open to the worldwide aviation community so that our sector can become ‘greener by design’. Following tradition, Dr Green starts his lecture by paying tribute to the two brothers who were the first to conquer the challenges of powered flight.

Dr John Green FREng FRAeS gave the Royal Aeronautical Society’s 95th Wilbur & Orville Memorial Lecture on 14 December 2006. The lecture was introduced by the then President, Gordon Page HonFRAeS, and the podcast was edited by Eur Ing Mike Stanberry FRAeS.