Videos (short)

How many light bulbs? On youtube, there is a 5-minute video, arranged by the University of Cambridge, featuring me holding a lightbulb and talking about energy plans. [In case the youtube video goes missing, here is the University's 'Cambridge Ideas' page; and another old link.]

1-minute film by Independent/Shell/Channel 4

Videos (longer)

Sustainable Energy - without the hot air - David MacKay lectures at Caltech, April 2010	Sustainable Energy - Without the Hot Air [Watch the lecture on youtube] - David MacKay lectures at Harvard, April 2010 Harvard Gazette story - 'an addiction to fossil fuels'
Lubbock Lecture by David MacKay at Oxford, Department of Engineering, May 2010 [html slides]	April 8, 2010 - David MacKay talking at University of Berkeley
Warwick University podcast Wed 17 June 2009: Warwick (one hour)