Irena Bauman will be chairing the 4×4 debate on the 16th of March at 6pm in the Brunswick Theatre at Leeds Metropolitan University. The debate is one of the four of the 4×4 series. The theme of all four debates is International Green. The speakers on the 16th March are: Stephen Martin – Renewable fuels Ltd. Sarah Wigglesworth – SW Architects Carios Garaicos – Cuban Artists The event is sponsored by ACE.