Life cycle assessment : a metric for the circular economy / edited by Aiduan Borrion (University College London, UK, Email: a.barrion@ucl.ac.uk), Mairi J. Black (University of Surrey, UK, Email: m.black@surrey.ac.uk) and Onesmus Mwabonje (Imperial College London, UK, Email: o.mwabonje@imperial.ac.uk). Cambridge : Royal Society of Chemistry, [2021] ; © 2021