Alaska's Pebble Mine project was vetoed under section 404(c) of the federal Clean Water Act. Construction of the mine would have cost $4.7 billion. Reserve estimates place Pebble as the largest undeveloped copper mine in the world, and also including very large gold and molybdenum deposits. The ruling was a... Read more »
Environmental approval for the biggest open-pit mining project in Latin America is being continually delayed due to environmental concerns about the difficulty of wastewater disposal and tailings dam safety. These concerns are heightened due to multiple dam-breaks and flooding events in nearby Amazonian mines, including BHP’s 2019 Brumandinho failure which... Read more »