Land-locked Botswana has sought alternative routes to export its coal as disruption to South Africa's railway lines impact the commodity's route to Richards Bay port.
After years of decline, demand for the polluting fossil fuel has surged this year as Europe scrambles to replace Russian gas, and coal miners are making money hand over fist.
It is the first time the Canadian gold giant has faced legal action in its home country for alleged abuses abroad, but it has faced prior allegations in the UK.