Zinc production totaled 327kt. After the guidance revision disclosed in October 2024 which maintained the initial full-year production target , the Cerro Lindo, El Porvenir, Vazante, and Aripuanã ...
In antiquity, lead was released into the atmosphere as a byproduct of smelting ore for copper and silver. The toxic metal later condensed as dust and settled onto the soil.
Researchers studying sediment cores recovered from mainland Greece and the Aegean Sea have found the oldest known evidence of lead pollution in the environment dating to around 5,200 years ago. That's ...