Researchers at the University of Edinburgh discovered that bacteria found in areas polluted by acid mine drainage had the potential to detoxify the environment.
The firm’s primary listing could come into focus due to a lack of shareholder support for a plan to split off its coal business and list it separately in New York.
A Greenpeace report states that coal-fired plants operated by Eskom account for five of the world’s 10 biggest single-source nitrogen-dioxide emission sites.