Forget AI and 5G, it’s low-tech solutions that will help our planet

It’s a popular idea that the path to sustainability lies in high-tech solutions. By making everyday items like cars electric, and installing smart systems to monitor and reduce energy use, it seems we’ll still be able to enjoy the comforts to which we’ve become accustomed while doing our bit for the planet – a state known as “green growth”. But the risks of this approach are becoming ever clearer. Many modern technologies use materials like copper, cobalt, li