Phil Purnell

TL;DR: The present overview highlights the waste management and pollution challenges, emphasising on the various chemical substances contained in all plastic products for enhancing polymer properties and prolonging their life.

TL;DR: In this article, a tensile test was carried out on glass/polypropylene specimens made in-home, and acoustic emissions were recorded from these tests, and the hypothesis is that each micro mechanical event will have one distinctive waveform as fingerprint.

TL;DR: In this article, the authors propose a value framework and set of ten principles for the design, implementation and evaluation of a sustainable circular economy, and conclude with a call for action for both practitioners and a research agenda for academia.

TL;DR: Assessment methods focusing on resource recovery from waste within a circular economy context consider few or even a single domain/s of value, i.e. environmental, economic, social and technical domains, but the potential of those metrics to evaluate ‘complex value’ of materials, components and products is assessed.

TL;DR: A new diagram is proposed that broadens the scope of the circular economy to cover extractive sectors and the return of materials from anthropogenic use to natural reserves, thereby reshaping the conceptual space within which solutions can be developed for the optimal management of integrated resources from a whole-system perspective.