Dr. Thilini U. Ariyadasa from the Department of Chemical and Process Engineering, University of Moratuwa delivered an invited speech at the International Conference on Biotechnology for Resource Efficiency, Energy, Environment, Chemicals and Health (BREEECH 2021), held in hybrid mode at Dehradun, India from December 1-4, 2021. Her talk was on “Resource recovery from waste streams for production of microalgae biomass: A sustainable approach towards high-value biorefineries”, which emphasized on recovery of waste resources for production of value-added biomass.