Waste electronics will weigh more than the Great Wall of China The “mountain” of waste electronic and electrical equipment discarded in 2021 will weigh more than 57 million tonnes, researchers have estimated. That is heavier than the Great Wall of China – the planet’s heaviest artificial object. The assessment is by an international expert group dedicated to tackling the global problem of waste electrical and electronic equipment (WEEE). They point out that the value of those discarded materials is vast. According to a 2019 report by the World Economic Forum, the world’s electronic waste has a material value of $62.5...