Allafrica.com posted on 11 April 2017 a story titled "Liberia: Locals Demand Environmental Cleanup - China Union Plans Restart" by Mae Azango.
This is a case study of environmental damage caused by China Union at an iron mine in Liberia. Drinking water and agricultural land were adversely affected. When the price of iron ore dropped, China Union shut down the operation. Now that the price of iron ore has risen again, it wants to resume operations but local Liberians are insisting it first resolve the environmental damage.