This is the third in a series of lectures which began in 2003, organised by the Centre for Sustainable Development, and linked to the MPhil in Engineering for Sustainable Development.
Dr Aimee Morgans, of the Department of Engineering, won the top Prize of £5,000 (BP's Younger Engineer's Prize) and the 2004 Gold Medal (supported by ExxonMobil).
Anyone who has struggled to find the on-off switch on the computer will appreciate a new technology being developed by researchers at the Department of Engineering.
Earlier this year Thomas Smith, a research student from the Department of Engineering, was named the L'Oréal-Royal Institution Science Graduate of the Year.
Soon everyone will be able to afford to watch television on a large screen. Cambridge Flat Projection Displays (CamFPD) has developed a 20mm thick, 50" screen, which is low cost to produce.
There is currently a focus in the energy and transport sectors towards using hydrogen as fuel, mostly driven by the need to reduce pollution and CO2 emissions.