While large-scale mining companies must follow stringent environmental regulations, the artisanal and small-scale mining sector remains far less controlled. Ghanaians carrying placards have been pressing the government to address illegal mining, blamed for polluting rivers and damaging soil.Ghana recently launched its first gold refinery to capture more value from its natural resources.Artisanal and small-scale mining sector in Ghana remains far less controlled.Hundreds of Ghanaians took to the streets for a second day, urging their government to crack down on illegal mining in the continent’s…