The Cerrejon mine is owned by three London-listed companies: Anglo American, BHP Billiton and Xstrata. In May 2010 Danish NGO DanWatch issued a report on the alleged negative social & environmental impacts of the mine, which supplies coal to DONG Energy and Vattenfall.
For the report and the companies’ responses, see http://www.business-humanrights.org/Documents/DanWatchCerrejon.