Mike's primary research interests are in the field of environmental pollution, focussing on topics such as: Impact assessment and control of organic and inorganic pollutants (including xenobiotics) in the aquatic environment Transport processes of pollutants from urban surfaces, through the sewer system, and into receiving waters The use of constructed wetlands for the treatment of urban runoff and identification of pollutant removal mechanisms in these systems Sustainable Urban Drainage treatment systems (SUDS), including the assessment of their relative efficiencies for removal of priority stormwater pollutants, and their potential socio-economic and aesthetic benefits Non-structural urban drainage systems and how they can complement the performances of structural treatment systems