In 2022, humans produced an estimated 62 million tonnes of electronic waste – enough to fill more than 1.5 million garbage trucks. This was up 82% from 2010 and is expected to rise to 82 million tonnes in 2030.
This e-waste includes old laptops and phones, which contain precious materials such as gold. Less than one quarter of it is properly collected and recycled. But a new technique colleagues and I have developed to safely and sustainably extract gold from e-waste could help change that.
