Within the growing mountains of electronic waste, precious metals lie waiting to be recovered.
The Chinese army marches past the entrance to the Forbidden City on the occasion of the 2020 session of the National People’s Congress on May 22 in Beijing.
Nicolas Asfouri/AFP
Electronic waste is accumulating and is a resource to be exploited. Microfluidic devices allow the development of recycling, including the recycling of rare earths – a precious resource.
Before taking that tempting upgrade, ask yourself if it’s really necessary.
Shutterstock.com
The most sustainable phone is the one you already own. But if you’re in the market for a new handset, consider choosing one with replaceable parts to avoid having to replace the whole thing again.
The precious metal is literally extra-terrestrial, produced in the heart of the stars. How and under what conditions? Scientists know more thanks to a double astrophysical observation.
Fears over China’s ability to cope with its debt crisis and renewed doubts over recovery in the US have sent investors running back to old faithful: gold. But markets look as if they are favouring tradition…
Directeur de Recherche au CEA (IRAMIS/NIMBE de Saclay) et Professeur invité à NTU/ERI@N (Singapour), Commissariat à l’énergie atomique et aux énergies alternatives (CEA)