Professor Marialena Nikolopoulou recently presented the Urban Albedo project at the first ever virtual CIBSE ASHRAE Technical Symposium on 14 – 15 September 2020. With over 60 sessions available at this year’s event, the paper, ‘Developing an Urban Albedo Calculator for London: the experimental campaign supporting the development of the tool’, by Marialena Nikolopoulou, Alkis Kotopouleas, Giridharan Renganathan and Richard Watkins, was presented in the session, ‘Modelling and simulation of environmental systems’, chaired by Dr Anastasia Mylona, Head of Research at CIBSE.