Banking on bricks: entrepreneur builds a business case for recycling plastic waste

Former investment banker Shervin Sharghy takes a practical approach to plastic recycling, first asking whether it makes financial sense before tackling the technical challenges. The founder of Hong Kong-based EcoBricks said the main obstacle to recycling plastic was often economic rather than scientific. Collecting, sorting, cleaning and processing waste plastic typically costs more than producing new materials from oil and gas, particularly at the small scale at which most recyclers...