The coal mining company, Exxaro, plans to pledge more investments at the upcoming SA Investment Conference in Johannesburg. In 2018, Exxaro pledged R20-billion towards the development of its thermal coal mining operations and renewable energy investment, in Limpopo, Mpumalanga, and the Eastern Cape. The company says coal supply disruptions as a result of the Ukraine-Russia conflict have also opened up more market opportunities for them. Recently, there has been a lot of debate on the future of coal. And with the country’s goal to reach zero-net emissions by 2050, many have come out to say that…