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̽��ֱ��lecture will start at 5pm and will focus on the role of cities as both a cause of and potential solution to climate change.

Mr. Livingstone is expected to argue that “civilisation’s survival rests on our ability to remake our cities on a human scale, as well as making them sustainable.”

During his mayorality between 2000 and 2008, Mr. Livingstone instigated and oversaw a number of environmentally-related initiatives in London, perhaps most famously the introduction of a congestion charge designed to encourage greater use of public transport. Other projects addressed issues such as energy use and particularly the energy wasted in many of the city’s buildings as a result of poor insulation or excessive electricity consumption.

̽��ֱ��Roskill Memorial Lecture was instituted by Churchill College as the most appropriate means of commemorating the life and work of the distinguished naval historian, Stephen Roskill, a much-loved and respected Fellow of the College for many years before his death in 1982.

̽��ֱ��scope of the lectures comprise the topics of International Security, the two World Wars, Public Policy and Science. Previous lecturers include Lord Carrington, Professor Sir Michael Howard, Sir Brian Urquhart and HRH Prince Hassan El Talal of Jordan.

Sir David Wallace, Master of Churchill College, said: “ ̽��ֱ��biennial Roskill lecture is the College’s most prestigious event and we are delighted to welcome Ken Livingstone as the latest in a long line of high profile public figures who have delivered the lecture. His lecture in the College’s 50th year will look to the future and will draw on his experiences of London Government over more than a quarter of a century”.

̽��ֱ��lecture is being hosted by the Churchill Archives Centre, home to some of the finest political, military and scientific collections of the 20th century, including those of Sir Winston Churchill, Margaret Thatcher and Neil Kinnock. For more information, visit the website: