An interesting but disturbing story that’s worth learning about is the one of the Marcopper mine on Marinduque Island in the Philippines. The mining company in charge of the Marcopper mine was Placer Dome Inc. of Vancouver which was later acquired by Barrick Gold.
A website from Oxfam Australia provides some information about the damage that was caused by Marcopper. At that website are links to some reports as well as a video documentary. In case you went to that site but missed the video then here it is:
MiningWatch Canada also has some well-presented and readable information about the Marcopper mine. For example, there’s this link.